Goalkeeper Davis and midfielder Chaplow were given the afternoon off and Fonte was on the bench as a much-changed Saints side beat Blackpool in the FA Cup on Saturday.
Boss Nigel Adkins made eight changes for the weekend clash and the 2-0 win will have given him a number of selection dilemmas.
Jason Puncheon should keep his place after impressing on his return from a loan spell with Millwall, even though the Lions want to sign him permanently.
Fellow winger Lee Holmes is the only injury absentee after undergoing an operation on his injured ankle last month.
Source: PA
Source: PA