Complex sentence: By the end of the 2007--08 season, White had made over 50 appearances for Mansfield, despite this he was transfer listed in January 2009 and left the club at the end of the season when his contract expired.
Split into simpler sentences: By the end of the 2007--08 season, White had made over 50 appearances for Mansfield. White was transfer listed in January 2009, and left the club at the end of the season when his contract expired.