
35-year-old, Swinton-born Holden, who was part of the Saddlers' development squad coaching team, previously played for Oldham between 2001 and 2005, making over 125 first-team appearances for the club. He and Latics boss Lee Johnson also briefly played together at Chesterfield in 2011.
Dean went on to join the Saddlers in 2012, becoming player/coach at the start of the 2013/14 season.