Date of birth
Republic of Ireland
Joined the Mariners on a deal until the end of the season in January.
The 31-year-old, former Republic of Ireland international joins the club following his release from fellow Sky Bet League Two side, Plymouth Argyle.
Clarke began his career at Ipswich Town, coming through the academy system before penning a professional contract with the club in 2005. After a 4 year stay at the club, Clarke joined Blackpool and Ian Holloway, helping the club earn promotion to the Premier League through the play-offs. Before the following season had begun, Clarke suffered a significant knee injury which kept him out of the entire campaign.
After a three year spell at the Seasiders, Clarke made the move to Crawley Town, where he went on to make 92 appearances in all competitions, scoring 24 goals in the process in a two-year spell, securing the club's Player of the Year award for the 2012/13 season.
Clarke then made the move to League One side, Bradford City where he linked up with fellow GTFC striker, James Hanson. After an 18 month spell at Charlton Athletic from the summer of 2017 until January 2019, Clarke returned to Bradford and in total, across two spells at the club, he made a total of 136 appearances in all competitions, scoring 26 goals before making the move down to Plymouth in the summer of 2019.
Came off the bench to score on his Grimsby Town debut at Leyton Orient.