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Karl Hein (footballer)
Karl Hein (footballer)
from Wikipedia

Karl Jakob Hein (born 13 April 2002) is an Estonian professional footballer who plays as a goalkeeper for Bundesliga club Werder Bremen, on loan from Premier League club Arsenal, and the Estonia national team.

Key Information

Club career

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Nõmme United

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Hein began his youth career at JK Loo at the age of eight, before moving to the youth team of Nõmme United in 2015.[3] He made five senior appearances for Nõmme United in the Estonian third tier, Esiliiga B,[4] before joining the academy of English club Arsenal in May 2018.[5]

Arsenal

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Hein signed his first professional contract with the club in May 2019.[6] He appeared in the Arsenal squad as an unused substitute for the first time on 29 October 2020, in the Europa League match against Dundalk.[7][8]

After playing for the Arsenal first-team in the 2021–22 pre-season, including his non-competitive debut against Hibernian, Hein signed a new long-term contract with Arsenal on 17 September 2021.[9]

On 10 November 2022, Hein made his debut for the Arsenal first-team in the EFL Cup third round against Brighton & Hove Albion at the Emirates Stadium, conceding a foul in the penalty area and the resulting spot-kick against Danny Welbeck as Arsenal lost 3–1.[10]

Loan to Reading

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On 24 January 2022, Reading announced the signing of Hein on loan from Arsenal until the end of the 2021–22 season.[11][12]

Loan to Valladolid

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On 13 August 2024, Hein completed a season-long loan move to newly-promoted La Liga side Real Valladolid.[13][14]

Hein and Valladolid started the season with a clean-sheet and a 1–0 victory over Espanyol.[15]

Loan to Werder Bremen

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On 22 August 2025, Hein completed a season-long loan move to Bundesliga side Werder Bremen.[16]

On 26 September, Hein made his Bundesliga debut for Werder Bremen in a 4–0 away defeat to Bayern Munich.[17] Despite conceding four goals, he was praised for his performance, with Bremen’s managing director Clemens Fritz describing it as “top-notch” and the club captain Marco Friedl naming him their best player on the day.[18]

International career

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Hein was capped by Estonia at under-17, under-19 and under-21 level.[19] He made his international debut for the Estonia national team on 5 September 2020, in a 0–1 loss against Georgia in the UEFA Nations League.[20] Since his debut, Hein has become a regular starter for Estonia.

Career statistics

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Club

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As of match played 4 October 2025[21]
Appearances and goals by club, season and competition[citation needed]
Club Season League National cup League cup Europe Other Total
Division Apps Goals Apps Goals Apps Goals Apps Goals Apps Goals Apps Goals
Nõmme United 2018 Esiliiga B 5 0 0 0 5 0
Arsenal U21 2020–21 1[a] 0 1 0
2021–22 1[a] 0 1 0
2022–23 1[a] 0 1 0
2023–24 1[a] 0 1 0
Total 4 0 4 0
Arsenal 2021–22 Premier League 0 0 0 0 0 0 0 0 0 0 0 0
2022–23 0 0 0 0 1 0 0 0 1 0
2023–24 0 0 0 0 0 0 0 0 0 0 0 0
2024–25 0 0 0 0 0 0 0 0 0 0 0 0
2025–26 0 0 0 0 0 0 0 0 0 0 0 0
Total 0 0 0 0 1 0 0 0 0 0 1 0
Reading (loan) 2021–22 Championship 5 0 0 0 0 0 5 0
Real Valladolid (loan) 2024–25 La Liga 31 0 1 0 32 0
Werder Bremen (loan) 2025–26 Bundesliga 2 0 0 0 2 0
Career total 43 0 1 0 1 0 0 0 4 0 48 0
  1. ^ a b c d Appearance(s) in EFL Trophy

International

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As of match played 14 October 2025[22]
Appearances and goals by national team and year
National team Year Apps Goals
Estonia 2020 6 0
2021 6 0
2022 6 0
2023 9 0
2024 9 0
2025 6 0
Total 42 0

Honours

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
Karl Jakob Hein (born 13 April 2002) is an Estonian professional footballer who plays as a goalkeeper for club , on loan from club . Born in Põlva, , Hein began his football journey at age seven with local club FC Tiigrid, inspired by his older brother Erik despite his family having no prior history in the sport. He progressed to Nõmme United, making his senior debut there at age 15 or 16, before joining 's academy from the Estonian club in the summer of 2018 at age 16. Hein signed his first contract with in 2019 and made his senior debut for the club in November 2022 during a Carabao Cup match against Brighton & Hove Albion. To gain experience, Hein was loaned to side Reading for the second half of the 2021–22 season, where he contributed to their efforts to avoid relegation, followed by a stint at La Liga's in the 2024–25 season, during which he made 32 appearances and kept five clean sheets. In August 2025, he joined on a season-long , and by early 2025, he had made two appearances for the club. Standing at 1.93 meters (6 ft 4 in) tall, Hein is known for his imposing presence and technical ability in goal. On the international stage, Hein debuted for the senior national team in September 2020 at age 18 against Georgia in the , becoming a regular starter thereafter with 42 caps as of October 2025, and has captained the team. He has been mentored by Estonia's most capped goalkeeper, , and was named Estonian Young Player of the Year in both 2020 and 2021. Hein's rapid rise from a non-footballing family in to a promising talent in top European leagues highlights his status as one of the country's emerging football stars.

Club career

Nõmme United

Karl Jakob Hein was born on 13 April 2002 in Põlva, . He began playing football at age seven with local club FC Tiigrid in Põlva, inspired by his older brother Erik, before joining the youth team of JK Loo in 2010, where he developed his skills as a . In 2015, at age 13, Hein moved to the youth academy of , his hometown club based in , after transferring from JK Loo. Under the guidance of coach , a former and national team , Hein progressed rapidly through the ranks, benefiting from Poom's mentorship and connections in English football. He made his senior debut for Nõmme United's first team in 2018, appearing in five matches primarily in the Estonian third-tier Esiliiga B, during which he conceded three goals while keeping two clean sheets. Hein's performances as a young at Nõmme United marked him as a promising talent in Estonian football, quickly attracting attention from international scouts and leading to call-ups for Estonia's youth national teams. This early exposure highlighted his potential, with his shot-stopping ability and composure earning praise in domestic circles. In the summer of 2018, at the age of 16, Hein was scouted by following trials facilitated by Poom's network, leading to his signing with the English club's academy in June.

Arsenal

Karl Hein joined 's academy from Estonian club Nõmme United in June 2018 on a scholarship contract. He quickly progressed through the youth ranks, featuring regularly for the under-18 and under-23 teams, where he honed his skills in competitive youth fixtures and 2 matches. In May 2019, Hein signed his first professional contract with , a three-year deal running until 2022. This agreement marked a significant milestone in his development, allowing him to train full-time with the senior setup while continuing to play at youth level. In September 2021, he extended his contract on a long-term basis, committing his future to the club amid growing recognition of his potential as a . Further extending his stay, Hein signed another new deal in June 2024, securing his position at until June 2026 with an option for an additional year. Hein began earning inclusion in first-team matchday squads from the 2020-21 season, serving as a option during periods of injury or rotation. His sole senior appearance for came on 9 November 2022, when he started in the third-round match against & Hove Albion at the , a 1-0 defeat where he made several saves despite the result. As the third-choice behind and during the 2023-24 and 2024-25 seasons, Hein focused on training with the senior squad and participated prominently in pre-season tours, including the 2023 visit to the and the 2024 tour where he featured in friendlies. As of 2025, Hein remains under contract with Arsenal until 2026, with the club holding an option to extend, and his market value is estimated at €3 million.

Reading (loan)

In January 2022, Karl Hein joined Reading on a loan from Arsenal until the end of the 2021–22 season, providing the young goalkeeper with his first opportunity for regular senior exposure in the EFL Championship. Hein served primarily as a backup to first-choice goalkeeper Orjan Nyland but quickly earned starts due to injuries and rotations. He made his debut for Reading on 9 February 2022 in a 2–1 away defeat to Bristol City, where he played the full 90 minutes and faced early pressure from the hosts. Over the course of five appearances, all starts in the Championship, Hein accumulated 450 minutes of playing time, conceding 8 goals. His performances came amid Reading's precarious position in a relegation battle, exacerbated by a six-point deduction earlier in the season for breaching EFL profitability and sustainability rules related to off-field financial issues under owner . A highlight was his first clean sheet for the club in a 0–0 draw against Peterborough United on 16 February 2022, where he made key saves to deny the hosts despite windy conditions affecting distribution. Other outings included a 3–2 victory over Coventry City, a 3–2 win at Preston North End, and a 2–1 loss to Birmingham City, showcasing his composure in high-stakes matches. The loan stint offered Hein valuable experience in a competitive second-tier environment, helping him adapt to the physical and tactical demands of English professional football. Reading finished 20th in the , securing survival by six points, but did not extend Hein's deal, and he returned to at the season's end.

Real Valladolid (loan)

In the summer of 2024, Karl Hein joined on a season-long loan from , marking his first experience in with the newly promoted club. The 22-year-old Estonian quickly established himself as the first-choice option, becoming the first player from his country to feature in Spain's top flight. Hein made his debut in the opener against Espanyol on August 19, 2024, keeping a clean sheet in a 1-0 victory with two key saves while facing 0.81 on target (xGOT). Over the course of the 2024–25 season, he appeared in 31 matches across all competitions, solidifying his role amid Valladolid's challenging campaign in a relegation battle. His performances highlighted strong shot-stopping and composure, with five clean sheets recorded despite the team's defensive vulnerabilities. Hein often stood out in defeats, such as making nine saves in a 7-1 loss to in February 2025, where he was praised as Valladolid's standout player. Key highlights included his second appearance against Real Madrid on August 25, 2024, at the Santiago Bernabéu, where he delivered an impressive display in a 3-0 defeat, earning commendation from Real Madrid president for his reflexes and command. He faced Real Madrid again on January 25, 2025, conceding three goals—including a from —but continued to demonstrate resilience with seven saves across the two encounters. Hein's adaptation to the fast-paced Spanish style was widely noted, with observers highlighting his quick reflexes and distribution accuracy, completing 97% of passes in standout games like a 1-1 draw against in October 2024. Despite Hein's contributions, were relegated from following a 3-0 defeat to on May 24, 2025, which marked his final appearance of the loan spell. He returned to in the summer of 2025, having gained valuable top-flight experience abroad and receiving praise for his growth in a high-pressure environment.

Werder Bremen (loan)

In the summer of 2025, Karl Hein joined on a season-long loan from , effective from 22 August until the end of the 2025–26 campaign, providing him with his first experience in German football following a successful stint in . The move aimed to offer the 23-year-old Estonian international regular playing time in the , where he would compete with the club's established goalkeepers for a starting position. Hein made his Bundesliga debut on 26 September 2025, starting in Werder Bremen's away match against Bayern Munich, which ended in a 0–4 defeat. Despite the heavy loss, Hein impressed with several key saves under intense pressure, earning praise for his composure in a high-stakes fixture. His second appearance followed on 4 October 2025 against , where he kept a clean sheet in a narrow 1–0 home victory, securing his first Bundesliga win and demonstrating his ability to handle the league's demanding pace. By the end of October 2025, these two outings had seen him concede four goals overall while maintaining one , highlighting his potential amid limited opportunities. Hein's integration into Werder Bremen's squad involved adapting to the Bundesliga's characteristic high-pressing style, which he described as an honor despite the challenges of his debut. Although he staked a claim for more starts with his early performances, he was subsequently benched in subsequent matches, including the 2–1 win over on 7 November 2025. As of November 2025, the loan remains active, with no reports indicating discussions for a permanent transfer.

International career

Youth international career

Hein began his international career at youth level with the Estonia under-17 team in 2017, earning 14 caps through 2018. His debut came during a competitive period that included friendlies and qualification matches, where he gained valuable experience as the primary goalkeeper. In the qualifiers in autumn 2018, Hein featured prominently, playing the full 80 minutes in a 2–7 defeat to on 11 , among other fixtures against regional opponents. These encounters against stronger European sides, such as the two matches in the qualifying round (totaling 180 minutes played), helped hone his shot-stopping and distribution skills under . Progressing to the under-19 level in 2019, Hein secured 3 caps for , establishing himself as a reliable presence in goal. He was a key figure in the qualifying round that , starting both group stage matches: a 0–4 loss to on 14 November and a 0–4 defeat to on 17 November, where he played the full 180 minutes despite the challenging opposition. Hein transitioned to the under-21 squad later in 2019, accumulating 8 caps through 2023, including appearances in qualifiers. These outings provided him with exposure to higher-intensity international football, building on his earlier youth experience and totaling approximately 25 youth international caps by 2020, which laid the groundwork for his senior team integration.

Senior international career

Karl Hein made his senior international debut for on 5 September 2020, starting in a Group C match against Georgia at A. Le Coq Arena in , which ended in a 0–1 defeat. At just 18 years old, he became the youngest to feature for the senior team, marking a rapid progression from his youth international appearances. Hein quickly established himself as a reliable option, securing his first competitive clean sheet later that year in a 0–0 draw against Georgia during the Nations League return fixture. He solidified his role as the first-choice keeper following his debut, appearing in 4 matches during the qualifiers, where Estonia finished last in their group but showed resilience in draws against stronger opponents like . Hein has been instrumental in Estonia's campaigns, featuring in 16 matches across editions with four clean sheets, including the 2024–25 edition where the team competed in League C. Despite his growing experience, Estonia has yet to qualify for a major tournament like the or during Hein's tenure. In October 2025, he assumed the captaincy for the first time, leading the side in a 1–3 qualifier defeat to while making a notable penalty save. Hein continued to feature in the qualifiers, including a 1–4 away loss to on 14 November 2025. As of November 2025, Hein had accumulated 44 caps for Estonia, playing 3,975 minutes and recording 20 clean sheets, while serving as the primary goalkeeper in 44 of his 53 squad call-ups.

Career statistics

Club

As of 18 November 2025.
ClubSeasonLeagueAppsCupTotal
Nõmme United2017Esiliiga B505
Arsenal2022–23Premier League011
Reading (loan)2021–22Championship505
Real Valladolid (loan)2024–25La Liga31132
Werder Bremen (loan)2025–26Bundesliga202
Career total43245

International

As of 18 November 2025.
National teamYearAppsGoals
2020–25420
Total420

Honours

Club

During his time with 's academy, Karl Hein was part of the squad that reached the later stages of the in the 2020/21 season but did not secure the title, as Aston Villa emerged as champions. No other youth-level club honours are recorded for Hein during his early development at Nõmme United or . At the senior level, Hein has yet to win any major club trophies as of November 2025, reflecting his focus on gaining experience through loans and limited first-team opportunities rather than title contention. He made his Arsenal senior debut in the EFL Cup third round against Brighton & Hove Albion in November 2022, but the team was eliminated in the quarter-finals that season without lifting the trophy. His subsequent loan spells at Reading (2022/23), (2024/25), and Werder (2025/26) also yielded no titles, with those clubs finishing mid-table or lower in their respective leagues and failing to advance in cup competitions. Overall, Hein's club career to date emphasizes personal growth and international commitments over collective silverware.

International

Hein has earned two international honours with the national team through the Baltic Cup, a triennial regional featuring , , and . In the 2020 edition—delayed to June 2021 due to the secured their first title since 1938 with a 2–1 victory over in the final at A. Le Coq Arena in , ending an 83-year drought. Hein, making his senior international debut earlier that year in the , featured in two matches during the , including the full 90 minutes as goalkeeper in the decisive final where 's scored both goals. Estonia successfully defended the title in the 2024 Baltic Cup, a tournament expanded to include the as invited guests, defeating 4–3 in a following a 1–1 draw in the final in , with Estonian goalkeeper Karl Andre Vallner saving the first two penalties. Hein contributed in the semi-final, starting and playing the complete 90 minutes in a 4–1 win over the , where he made several key saves to help maintain defensive solidity despite conceding once. These victories represent Hein's only senior international trophies to date. At youth level, Hein represented Estonia in the 2019 qualifying round, appearing in two group stage matches as the team suffered heavy defeats (0–4 to and 0–4 to ) and failed to advance, finishing last in their group with no points. No major youth international honours were achieved during his time with the under-17, under-19, or under-21 teams. In broader senior context, Hein has been a regular in 's campaigns across the 2020–21, 2022–23, and ongoing 2024–25 editions in League D, accumulating six appearances with one clean sheet but without securing promotion to a higher division. has not qualified for the or finals during his tenure, with the team exiting early in qualifying groups for both and the 2026 . As of November 2025, no further international honours have been added to Hein's record.

References

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