Paul Keegan will miss the rest of the season after undergoing an operation just two months after signing for Doncaster.
The Irish midfielder went under the knife on Monday to try and solve a cartilage problem.
Keegan, 26, has made 10 appearances for Rovers since joining from Bohemians in January.
Copyright (c) PA Sport 2009, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms