If he is ruled out of the game then Jim Goodwin is likely to be recalled, after serving a one-game ban.
Richard Hinds continues his suspension, with Nathan Stanton and Matt Sparrow both ruled out through injury.
United face a tough task at Swansea, whose only home defeat all season has been at the hands of Doncaster Rovers.
The Welsh side, who are sitting pretty at the top of the League One table, are missing winger Kevin McLeod with a groin strain.
But they will welcome back captain Roberto Martinez and striker Andy Robinson.
The game is also notable for the clash of the division's two top scorers - in Swansea's Lee Trundle and the Iron's talented teenager Billy Sharp.