The club appointed Sunderland coach Darren Kelly as their new manager following the conclusion of the 2014–15 season.

[6] However, Kelly's reign was brief and he was sacked after a 5–1 home defeat to Peterborough United[1] with Oldham having won only one of their first seven league games.

However, Dunn himself won only two of his 17 league games and was sacked after a poor run of form during which his team picked up two points from a possible 21.

[70] A day later, Oldham Athletic announced an XI squad would travel to Trafford for pre-season preparations.

[77] On 8 August 2015, live on Soccer AM the draw for the first round of the Football League Trophy was drawn by Toni Duggan and Alex Scott.