Stock played a vital role in Doncaster's 2007–08 promotion season with assured performances in midfield. He filled in as captain for Doncaster in the final two months of the season due to a foot injury to usual skipper Adam Lockwood. Stock captained the side in their Play-Off Final victory over Leeds United at Wembley, and scored the first goal from the penalty spot against Southend in the semi-finals of that Play-Off campaign. Stock is also known for possessing a deadly long range shot and is also a composed penalty taker.