Gattuso signed a contract with Hajduk Split until 2026.

Gattuso was sacked as manager of Marseille.

Gattuso signed as the new manager of Marseille.

Gattuso left his position at Valencia by mutual consent.

Gattuso was unveiled as the new manager of Valencia.

Gattuso and Fiorentina mutually rescinded their agreement.

Gattuso was appointed as the head coach of Fiorentina, effective from 1 July.

Gattuso's tenure as Napoli's head coach ended after a 1–1 home draw with Verona.

Napoli won the 2020 Coppa Italia final against Juventus 4–2 on penalties after a goalless draw.

Gattuso was appointed as the head coach of Napoli.

Gattuso departed Milan by mutual consent.

Gattuso was appointed as the head coach of AC Milan's first team.

Gattuso led Pisa to Serie B promotion after beating Foggia 5–3 on aggregate in the Lega Pro promotion play-off final.

Gattuso was appointed as the manager of Pisa.

Gattuso officially resigned as OFI Crete manager due to the club's financial problems.

Gattuso tendered his resignation as head coach of OFI Crete, citing financial difficulties.

Gattuso was appointed as the manager of OFI Crete.

Gattuso was sacked as manager of Palermo.

Gattuso was appointed as the manager of Palermo.

Gattuso was sacked as manager of Sion.

Gattuso won his first match as a manager, beating Lausanne 2–0 away in a Swiss Cup match.

Gattuso was named as the new manager of Sion after manager Víctor Muñoz was demoted.

Gattuso joined Swiss club Sion after being released by Milan.

Gattuso confirmed that he would not renew his contract with Milan and would be leaving the club at the end of the season.

Gattuso suffered a left sixth cranial nerve palsy, resulting in double vision, during a match against Lazio.

Gattuso celebrated Milan's 18th Scudetto victory after a scoreless draw against Roma.

Gattuso scored a decisive goal in a 1–0 victory over Juventus, ending a three-year goal drought.

Gattuso made his 400th appearance with Milan in the opening match of the 2009–10 Serie A season against Siena.

Gattuso underwent surgery to repair a torn Anterior cruciate ligament in Antwerp, Belgium.

Gattuso won the Champions League for the second time in his career when Milan beat Liverpool 2–1 in the final.

Italy won the 2006 World Cup final on penalties against France, with Gattuso being part of the winning team.

Gattuso played a crucial role in Italy's 2–0 win over the Czech Republic in the 2006 World Cup, providing an assist for Filippo Inzaghi's goal.

Gattuso scored his first and only goal for Italy in a 1–0 friendly home victory over England.

Gattuso debuted for Italy under Dino Zoff at the age of 22 in a 1–0 friendly home victory over Sweden.

Gattuso played his first Milan-derby match, standing out and immediately endearing himself with the Milan fans for his maturity and tenacity against Inter striker Ronaldo.

Gattuso made his debut with AC Milan in a 0–0 away draw with Chelsea in the UEFA Champions League.

Gennaro Ivan Gattuso was born in Corigliano Calabro, Italy.