Martin is reportedly Southampton-bound and Duff is said to be in the frame to take over from him at the Swansea.com Stadium. Losing Duff would be a blow for Barnsley, who he led to the League One play-off final last season.
He is just one year into a three-year contract he signed at Oakwell last year after leaving Cheltenham Town. Here are the nine favourites to replace Martin at Swansea as listed by BonusCodeBets.

1. Favourites
Here are the favourites to take charge of Swansea City. Photo: Ryan Hiscott/Getty Images



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