Date of birth
Luke joined the Mariners on a 2-year deal during the summer of 2016.
After spending his career within the Football League, he was determined to maintain his status after suffering relegation with York City.
Luke began his career at Plymouth Argyle, where he came through the Youth academy, before making his first team debut during the 2004/05 season. He has also enjoyed permanent spells at Cheltenham Town, Shrewsbury Town and most recently, York City. Summerfield will link up with fellow summer signing Danny Andrew, who he played alongside at Cheltenham Town during the 11/12 season.