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Aaron Bummer
Aaron Bummer
from Wikipedia

Aaron James Bummer (born September 21, 1993) is an American professional baseball pitcher for the Atlanta Braves of Major League Baseball (MLB). He has previously played in MLB for the Chicago White Sox.

Key Information

Amateur career

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Bummer attended Sunrise Mountain High School in Peoria, Arizona, and played for the school's baseball team.[1] He was drafted by the New York Yankees in the 31st round of the 2011 MLB draft. He did not sign with the Yankees and enrolled at the University of Nebraska–Lincoln to play college baseball for the Nebraska Cornhuskers.[2]

In 2013, Bummer played collegiate summer baseball with the Harwich Mariners of the Cape Cod Baseball League, and was named a league all-star.[3] In 2014, as a junior at Nebraska, he had a 7–5 win–loss record with a 3.34 earned run average (ERA) in 15 games started.[4]

Professional career

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Chicago White Sox

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The Chicago White Sox selected Bummer in the 19th round, with the 558th overall selection, of the 2014 MLB draft.[2][4] After signing with the White Sox, Bummer made his professional debut that same year with the Great Falls Voyagers where he compiled a 2.45 ERA in 22 innings pitched. He missed all of 2015 due to injury. In 2016, he pitched for the Arizona League White Sox, Great Falls, and Winston-Salem Dash where he was a combined 1–2 with a 4.86 ERA in 15 relief appearances between the two teams. He began 2017 with Winston-Salem, was promoted to the Birmingham Barons in May, and was promoted to the Charlotte Knights in July.[5]

Chicago selected Bummer's contract on July 27, 2017, and he made his Major League debut that same night against the Chicago Cubs, striking out the first batter he faced, Anthony Rizzo.[6] In 49 innings pitched between Winston-Salem, Birmingham and Charlotte prior to his call up, he was 1–5 with a 3.31 ERA. Bummer spent the remainder of 2017 with the White Sox, compiling a 1–3 record and 4.50 ERA in 30 relief appearances. In 2018, Bummer made 37 appearances, collecting an ERA of 4.26 in 31+23 innings. The following season, he improved dramatically, making 58 appearances while registering an ERA of 2.13 in 67+13 innings and striking out 60. The White Sox signed him a five-year $16 million contract.[7]

In 2020, Bummer only appeared in only nine games due to a left biceps strain that kept him out for a majority of the season. He was able to return for the final week of the season and was added to the White Sox' 2020 postseason roster. He appeared in two games in the 2020 American League Wild Card Series, not allowing a run in 1+13 innings combined during Chicago's 2–1 series loss to the Oakland Athletics.[8]

In 2021, Bummer appeared in 62 games with an ERA of 3.51 in 56.1 innings while striking out 75 batters as the White Sox made the postseason. Bummer appeared in three games in the 2021 American League Division Series against the Houston Astros posting a 8.10 ERA in 3+13 giving up 5 hits and 3 runs all earned as the White Sox lost in four games. In 2022, Bummer appeared in only 32 games after dealing with a knee injury that kept him out for three months from June to September. He posted an ERA of 2.36 in those 32 games while pitching in 26+23 innings and striking out 30 batters.

Atlanta Braves

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On November 16, 2023, the White Sox traded Bummer to the Atlanta Braves in exchange for Michael Soroka, Jared Shuster, Nicky Lopez, Braden Shewmake and Riley Gowens.[9][10] In November 2024, Bummer and the Braves agreed to a restructured contract, guaranteeing Bummer $3.5 million for the 2025 season and $9.5 million in 2026.[11][12]

Throughout his entire pro career until 2025, Bummer served as a relief pitcher. On July 5, 2025, after 374 games and 9 seasons as a reliever, he made his first start in a game against the Baltimore Orioles. Bummer set a new personal record by striking out the first five batters he faced, before eventually giving up three earned runs and exiting in the third inning. [13] In 42 appearances (two starts) for Atlanta on the year, he compiled a 3-2 record and 3.81 ERA with 51 strikeouts across 54+13 innings pitched. On August 24, Bummer was placed on the injured list due to left shoulder inflammation.[14] He was transferred to the 60-day injured list on September 18, officially ending his season.[15]

Personal life

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Bummer earned his bachelor's degree in finance from Nebraska in December 2016. Bummer and his wife, Amber, married in 2018.[16] They had their first child, a daughter, in February 2021.[17]

References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
Aaron Bummer (born September 21, 1993) is an American for the of (MLB). Bummer was born in , and attended Sunrise Mountain High School in , where he excelled as a on the for three years and was named All-Region in 2011. He was selected by the New York Yankees in the 31st round of the 2011 MLB Draft but did not sign, opting instead to attend the University of Nebraska, where he pitched out of the in 2012, appearing in 20 games with a 3.73 ERA and 22 strikeouts over 19.1 innings. The selected Bummer in the 19th round of the 2014 MLB Draft, and he made his MLB debut with the team on , 2017, after progressing through their system. He emerged as a key left-handed reliever in 2019, posting a 2.13 ERA over 58 appearances with 60 strikeouts and 27 holds (tied for sixth in the ). On November 17, 2023, the Braves acquired Bummer from the White Sox in a six-player trade that sent pitchers and , infielder , and two prospects to Chicago. In his first season with in 2024, Bummer appeared in 56 games, contributing to the Braves' with a 3.58 , 69 strikeouts, and a 4-3 record over 55.1 . Through the 2025 season, he has made 42 relief appearances for the Braves, recording a 3-2 mark with a 3.81 , 51 strikeouts, and 54.1 pitched. Over his nine-year MLB career spanning 387 games, Bummer holds a 21-20 record, 3.80 , and 429 strikeouts in 381.2 , primarily as a lefty specialist known for his sinker and .

Amateur career

High school

Aaron Bummer attended Sunrise Mountain High School in , where he developed his skills as a left-handed pitcher on the school's varsity team. He earned three varsity letters during his time there from 2008 to 2011, showcasing consistent performance in competitive play within Arizona's 4A division. In 2011, Bummer was recognized as a Rawlings Preseason All-Region honorable mention, highlighting his emerging talent among regional prospects. His high school career drew early attention from professional scouts, culminating in his selection by the New York Yankees in the 31st round (959th overall) of the 2011 MLB June Amateur Draft. Bummer ultimately chose not to sign with the Yankees, opting instead to continue his development at the collegiate level.

College career

Aaron Bummer enrolled at the in 2012 to play for the , where he competed for three seasons through 2014. As a freshman in 2012, Bummer emerged as one of the team's top left-handed relievers, appearing in 20 games out of the and posting a 1–0 record with a 3.26 over 19.1 innings, including 22 strikeouts. In his year of 2013, he transitioned into a hybrid role, starting eight of his 16 appearances while also earning one save; he recorded a 3–1 mark with a 2.50 across 50.1 innings, striking out 32 batters. By his junior season in 2014, Bummer had solidified his position as a key starter in the Huskers' rotation, making all 15 of his appearances as starts and anchoring the pitching staff with a 7–5 record and 3.34 over 89 innings, the most on the team, while fanning 56 opponents. His performance that year earned him a spot on the Big Ten All-Tournament Team, highlighting his growth into a reliable rotation piece after beginning his career in relief. Over his full collegiate tenure, Bummer compiled an 11–6 record with a 3.06 , one save, and 110 strikeouts in 51 appearances (23 starts), contributing significantly to the Huskers' and starting corps in the . Bummer's college career concluded with his selection by the in the 19th round (558th overall) of the 2014 MLB Draft, marking the end of his amateur journey.

Professional career

Chicago White Sox

Aaron Bummer was selected by the in the 19th round, 558th overall, of the 2014 MLB Draft out of the University of Nebraska. He signed with the organization on June 10, 2014, and was assigned to the of the Rookie-level Pioneer League, where he posted a 2.45 ERA over 22 innings in 16 appearances. Bummer missed the entire 2015 season due to injury. In 2016, he split time between the Rookie-level Arizona League White Sox (12.27 ERA in 4 appearances over 3.2 innings), (3.38 in 7 appearances over 8 innings), and (1.80 in 4 appearances over 5 innings). In 2017, he split time across three levels: Winston-Salem (4.91 in 8 appearances), Double-A Birmingham (3.00 in 17 appearances), and Triple-A Charlotte (1.80 in 3 outings), before earning a call-up to the majors on July 27, making his MLB debut that day against the Chicago Cubs. Bummer established himself in the White Sox during the 2019 season, appearing in a career-high 58 games and recording a 2.13 over 67.2 with 60 strikeouts and one save. His performance that year highlighted his value as a , limiting opponents to a .208 . The 2020 season, however, was curtailed by injury; Bummer appeared in only nine games, posting a 0.96 in 9.1 before suffering a left strain on August 7 and being placed on the 10-day the following day, which ultimately limited him for the remainder of the shortened campaign. In 2021, Bummer rebounded with 62 relief appearances, a 3.51 across 56.1 , five wins, five losses, 75 strikeouts, and two saves, contributing significantly to the White Sox's AL Central-winning . The following year, injuries again impacted his availability; a issue sidelined him from to September, restricting him to 32 games where he still managed a strong 2.36 in 26.2 with 30 strikeouts and two saves. In 2023, Bummer appeared in 61 games for the White Sox, posting a 5-5 record with a 6.79 over 58.1 and 78 strikeouts. On February 22, 2020, the White Sox signed Bummer to a five-year contract extension worth $16 million, covering 2020 through 2024 with salaries escalating from $1 million in 2020 to $5.5 million in 2024, plus club options for 2025 ($7.25 million) and 2026 ($7.5 million), each with a $1.25 million buyout. This deal rewarded his emerging role in the and provided cost certainty for the team. Bummer's tenure with the White Sox ended on November 16, 2023, when he was traded to the in a six-player deal that sent pitchers and , infielder , infielder , and pitcher Riley Gowens to Chicago.

Atlanta Braves

On November 16, 2023, the acquired left-handed reliever Aaron Bummer from the in a six-player trade, valuing his established experience as a high-leverage from his prior tenure. Bummer quickly integrated into the Braves' during the 2024 season, appearing in 56 games and posting a 3.58 over 55.1 innings, primarily serving in middle-to-late relief roles to bolster the team's pitching depth. In November 2024, Bummer agreed to a new two-year contract with the Braves worth $13 million, including $3.5 million for the 2025 season and $9.5 million for 2026, securing his role in the organization amid considerations. This deal reflected his consistent performance and the team's confidence in his contributions to the relief corps. During the 2025 season, Bummer made 42 appearances for the Braves, including two starts, compiling a 3-2 record with a 3.81 over 54.1 . He transitioned partially into a hybrid role, logging his first major league start on July 5, 2025, against the Baltimore Orioles in a game, where he recorded five strikeouts in his initial outs before yielding runs in the third inning. Bummer's season was interrupted by injury when he was placed on the 15-day on August 24, 2025, due to left shoulder inflammation, and later transferred to the 60-day on 18. He was activated from the 60-day on November 6, 2025, concluding his rehabilitation and preparing for the 2026 campaign.

Personal life

Education

Aaron Bummer pursued a degree in at the , enrolling as a student-athlete in the College of Business. During his time at the university from 2012 to 2014, Bummer balanced his academic coursework with participation in the Nebraska team, where he developed his pitching skills as a key reliever. After being selected by the in the 19th round of the 2014 MLB Draft, Bummer continued his studies remotely while advancing through the , demonstrating commitment to completing his amid professional demands. He graduated with his degree in December 2016.

Family

Aaron Bummer married Linnenbrink on November 17, 2018, in , after dating for five years. The couple welcomed their first child, a named Brynlee Mae Bummer, on February 16, 2021. Bummer has highlighted his family's role in his professional life, including FaceTiming his young Brynlee from the field during games and sharing that she recognizes the from watching broadcasts at home with her mother.

References

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