Manager Lee Johnson has made attacker Jonathan Forte his eighth summer signing following a successful trial.
The 28-year-old has been training with Latics over the summer and has signed a one-year contract with the club in a deal until the end of the 2014/15 season.
The forward, who has made two international appearances for Barbados, joins following his release from Southampton.
Forte will wear the number 11 shirt next season.
Keep checking the official website throughout the day for interviews with both the gaffer and Forte.