Full back Jonathan Grounds has left Oldham Athletic to join Birmingham City on a two-year contract.
The defender signed for the club in 2012 and played over 100 games for Latics, scoring three goals.Manager Lee Johnson said: "We thank Jonathan for all his hard work and wish him all the best for the future.
"Birmingham are a Championship club and although we would have loved him to stay, we understand a player's desire to play as high as he can for as long as he can.
"We hope to replace Jonathan with a quality full back in the near future."