Marius Marin

Early career

ACS Poli Timișoara head coach Dan Alexa gave Marin his senior debut on 23 May 2015, aged 16, in a 5–0 thrashing of Unirea Tărlungeni in the Liga II championship. The following season, Marin moved to ASU Politehnica Timișoara—the other club founded after the dissolution of the original FC Politehnica—and participated with it in the third league, which they went on win. In late August 2016, Marin moved abroad to Sassuolo after training in Italy for one month. Upon turning 18, he signed a four-year contract and spent his first season with the Primavera side. For the 2017–18 campaign, he joined Catanzaro on loan in the Serie C.

Pisa

Marin was again loaned out by Sassuolo for the 2018–19 season, joining Pisa, with whom he achieved promotion to the Serie B. On 31 July 2019, he returned to the Arena Garibaldi on a permanent transfer. Marin scored his first career goal on 3 July 2020, contributing to a 2–0 Serie B win over Cittadella. During early 2021, several Serie A teams reportedly monitored Marin, as well as two of the title contenders from his native country, namely CFR Cluj and FCSB. Nothing came of these rumours, and on 20 October 2021 he signed a contract extension with Pisa running until 2025. On 28 August 2022, Marin made his 100th Serie B appearance and wore the captain armband in a 0–1 loss to Genoa. In October 2023, he played his 185th game for Pisa, becoming the foreign player with the most appearances in all competitions for the…

Youth

Marin registered his debut for Romania under-21 on 10 October 2019, in a 3–0 win over Ukraine counting for the 2021 UEFA European Championship qualifiers; he received a red card just one minute after entering the field. Manager Adrian Mutu called up Marin for the final tournament hosted by Hungary and Slovenia, and he captained the side in the first two group games before missing the last one through a suspension. Romania failed to progress despite finishing with the same number of points as the Netherlands and Germany. Marin was then named in the squad for the postponed 2020 Summer Olympics, where he continued to serve as captain and played all three matches in the eventual group-stage exit.

Senior

Marin made his full debut for Romania on 5 September 2021, coming on as a 63rd-minute substitute for Darius Olaru in a 2–0 World Cup qualifier defeat of Liechtenstein. He aided with seven appearances in the Euro 2024 qualifiers, including a start in the final 1–0 victory over Switzerland, which secured Romania first place in Group I. On 7 June 2024, Marin was named in Romania's squad for Euro 2024. He started in all four matches of the tournament, forming a midfield partnership with Răzvan Marin and Nicolae Stanciu, as the nation won its group but was eliminated by the Netherlands in the round of 16.

Club

As of match played 15 March 2026

International

As of match played 15 November 2025

Marin stated that his parents struggled financially to support his youth football practice, so he used the first money he earned in Italy to build a house for them.