According to transfer expert Romano, Naples defender Marin joined Villarreal on loan.

Romano wrote on social media: "Villareal and Naples have signed all documents on Marin's transaction, with a loan fee of 1 million euros, a buyout option clause of 15 million euros, plus a 10% second transfer share."

Spanish defender Marin was born on May 19, 2002. He represented Naples in 6 games in various competitions in the 2024-25 season.