A former Championship boss and Premier League assistant has failed to rule out a potential interest in the Sunderland job. Sunderland sacked Michael Beale at the start of this week. The owners have since placed Mike Dodds in temporary charge until the summer, where an appointment looks set to take place. Several names are being linked; Steve Cooper could come into the running whilst Will Still is being linked with the Sunderland vacancy as well. But another former manager who may not have come into the thinking of many yet is Mark Warburton. The former Brentford, Rangers, Nottingham Forest, an…