In this feature, we take an in-depth look at the 23 other teams in Sky Bet League One this season.
League position last season:
12th - Sky Bet League One
2014/15 top goalscorer:
Cody McDonald (16)
Justin Edinburgh - The 45-year-old will embark on his first full season in charge of Gillingham after joining in February 2015.
He joined from Newport County where he guided them to the Football League in 2013.
After keeping them in the Football League last season, Edinburgh continued his impressive work with the Welsh side which earned him the move to the Kent club.
Edinburgh took over a struggling side but he instilled an air of confidence amongst his players and they finished the season in the top half.
He enjoyed an illustrious playing career, making over 200 appearances for Premier League side, Tottenham Hotspur.
He will be looking to kick on from last season's end of season form and challenge for a play-off spot next season.
Bradley Dack - The 21-year-old came through the youth ranks at the Priestfield Stadium, signing at the age of 16.
In just under 100 appearances, Dack has secured a regular spot in the heart of the midfield and contributed 12 goals in his career.
One of those goals came against Latics last season as he smashed the winning goal in the 3-2 defeat in January.
Dack hit nine goals last season and finished the club's second top goalscorer behind Cody McDonald.
The history books show that Latics have faced Gillingham 53 times in all competitions, winning 21 and losing 17.
Latics picked up one point from a possible six from the Gills last season, drawing 0-0 at SportsDirect.com Park and losing 3-2 at the Priestfield.
Sky Bet League One odds:
Win outright: 50/1