Motherwell have signed goalkeeper Kyle Letheren on a short-term emergency contract. The former Wales under-21 international will provide cover after John Ruddy suffered a thigh injury. Letheren  is a free agent after leaving Plymouth Argyle three months ago and will go straight into the squad for Tuesday's game against Celtic. Letheren started his career with Swansea before moving to Barnsley, where he made just one appearance. After a loan period with Doncaster, he moved to Plymouth after being snapped up by Paul Sturrock.

Motherwell boss Craig Brown said: "Kyle has been with us before, on trial, a few months ago and really impressed Stewart Kerr. However, at that time, we still had Sebastian Kosiorowski and obviously couldn't afford to take on another goalkeeper. He'll be with us probably to the end of the current season while John recovers from his knock, which should be in time for the last few games. He'll now be in the squad for the game at Celtic Park on Tuesday night."