Betsy arrived back at Adams Park on transfer deadline day after signing on loan from Southend and could make his first appearance for the Chairboys since the Carling Cup semi-final defeat at Chelsea in January 2007.
However the winger is short of match fitness and is more likely to be on the bench for Peter Taylor's side.
Taylor is also waiting on the fitness of forward Stuart Beavon, who was forced out of the midweek Johnstone's Paint Trophy defeat to Northampton with a slight calf problem.
Taylor expects Beavon to be fit but is definitely without Tommy Doherty (ankle), Lewis Hunt (foot) and Matt Bloomfield (broken nose and cheekbone).
TJ Moncur is back from a groin injury and Lewis Spence is also fit again after a foot problem.