Marko Lazetić

Red Star Belgrade

On 29 November 2020, at the age of 16 years and 10 months, Lazetić made his debut for Red Star Belgrade as an 76th-minute substitute for Richmond Boakye against Rad. The home match finished as a 3–0 win for Red Star.

AC Milan

On 27 January 2022, five days after his 18th birthday, Lazetić joined Serie A club AC Milan for a fee believed to be in the region of €4 million, signing a deal until June 2026. He was assigned shirt number 22 and enlisted as a first team player. He debuted for the first team on 19 April, in a Coppa Italia match against cross-city rivals Inter Milan, coming on as a substitute in the 86th minute. On 22 May 2022, as Milan won the scudetto on the last matchday of the Serie A season, he was awarded a winner's medal despite making no league appearances.. On 8 November 2022, Lazetić made his Serie A debut in a 0–0 away draw against Cremonese.

Loan to Rheindorf Altach

On 3 February 2023, Lazetić moved to Austrian Bundesliga club Rheindorf Altach on a six-month loan.

Loan to Fortuna Sittard

On 24 August 2023, Lazetić joined Eredivisie club Fortuna Sittard on a season-long loan.

Loan to TSC

On 18 June 2024, he moved back to his native Serbia, and joined Serbian SuperLiga club TSC on a season-long loan.

Aberdeen

On 18 August 2025, Lazetić moved to Scotland, and signed a four-year contract with Scottish Premiership club Aberdeen.

Noah

On July 13, 2026, Lazetić joined…

As of match played 25 May 2025

Lazetić is the nephew of former footballers Nikola Lazetić and Žarko Lazetić.

Red Star Belgrade

Serbian SuperLiga: 2021–22 AC Milan

Serie A: 2021–22