On 29 April 2019, Nejmeh renewed the contract of Zein for five years, renewable for two additional seasons.[3] On 2 April 2021, Zein scored his first senior goal against Shabab Sahel, helping his side win 3–0 in the league.[4] In July 2024, Zein renewed his contract with Nejmeh for 2 more years. [5]
Regarded as one of Lebanon's most promising players,[8][9] Zein is a playmaking midfielder, capable of moving play from the defence to the attack.[8] His main abilities are his through passes and ball control.[8]
Personal life
Mahdi Zein's uncle, Haitham Zein, is a former Lebanese international.[10]