In 2012, he joined French club Lille, signing a three-year trainee contract after a successful trial.[1][2] He played for the Lille B side, scoring seven goals in 41 appearances.[1] After three years, he left the club.[3]
After recovering from an injury, he returned to his former club Diambars in 2015.[1] In 2016, he won the Senegalese League Cup.[4] In 2017, he scored ten goals in 16 league games.[5]
In late 2016, Samb went on trial with Turkish clubs Bursaspor and Gaziantepspor, before going on trial with Norwegian club Tromsø in September.[6] After a week and a half trial, he returned home to Senegal while the club considered whether to extend a contract offer.[7] He later returned to the club on trial in 2017.[8] In March 2017, Samb joined Tromsø, signing a four-year contract,[9] with Diambars retaining a sell-on clause.[10] It took about a month for the transfer to be finalized as he awaited his work permit.[11] On 3 August 2018, Samb left Tromsø by mutual consent.[12]
Samb signed with Canadian side Ottawa Fury FC in February 2019, after a successful trial.[13][14] After starting the season with seven goals and four assists in 14 games, Samb suffered a foot injury which caused him to miss the next 13 games.[15] He finished the season with eight goals and six assists in 19 matches,[16] including a goal in a playoff loss to the Charleston Battery.[17]
After a third spell with Diambars, Samb returned to Canada on 9 May 2022, signing a one-year contract with an option for 2023 with Canadian Premier League side HFX Wanderers.[20] He made his debut for the Wanderers on May 20 as a substitute against Forge FC.[21] In December 2022, HFX announced that Samb would not return for the 2023 season.[22]