Wellens will begin a two-match ban against Albion after he received his 10th yellow card of the season during the goalless home draw with Middlesbrough last weekend. Either Marc De Val Fernandez or Dean Furman will replace the Rovers captain.
Fellow midfielder Paul Keegan is an injury concern for manager Paul Dickov after a thigh problem forced him off at half-time against Boro. Scans have showed no tear and the Irishman will be assessed on Friday.
Rovers head for the south coast looking to extend a four-game unbeaten league run that has seen them climb out of the Sky Bet Championship relegation places and up to 19th place in the table.
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