Sky Bet make Oldham Athletic the 7/5 favourites for victory as they look to make it seven matches unbeaten by beating Port Vale on Tuesday evening.
The visiting Vale are priced up at 19/10 by Sky Bet and the draw is on offer at 23/10.
There are joint-favourites in Sky Bet’s first goalscorer odds as Oldham striker Rhys Murphy and Port Vale forward Ajay Leitch-Smith can’t be split at 11/2.