Exeter will make late calls on Jayden Stockley and Jordan Moore-Taylor for West Brom's FA Cup visit to Devon.
Top scorer Stockley broke his nose during the 2-1 Sky Bet League Two defeat at Newport on New Year's Day.
Skipper Moore-Taylor missed that game with a muscle injury and Grecians boss Paul Tisdale is already short of defensive cover.
Troy Archibald-Henville is nursing a knee problem, while fellow central defenders Troy Brown and Luke Croll have been absent for several weeks.
Matt Phillips and Craig Dawson are out for West Brom.
Winger Phillips (hamstring) and defender Dawson (fatigue) will not travel for the third-round game at St James Park.
Nacer Chadli (hip) and James Morrison (Achilles) are also sidelined but Sam Field, Oliver Burke, Allan Nyom and Boaz Myhill could all feature. Jonathan Leko may also travel after returning from his loan spell at Bristol City along with Kane Wilson, who has spent the last five months on loan at Exeter.