Fosu-Henry has been out with an Achilles injury but has an outside chance of returning this weekend.
Jason Pearce, however, is still struggling with a knee injury while the game will also come too soon for Lewis Page (Achilles) and Patrick Bauer (knock). Naby Sarr is also sidelined with a hamstring injury, along with long-term absentees Billy Clarke and Leon Best (both knee).
Walsall boss Jon Whitney has a fully fit squad for the trip to The Valley.
He could be tempted to name an unchanged line-up after the Saddlers’ 2-1 win over Oxford last weekend which moved them four points clear of the Sky Bet League One relegation zone.
Florent Cuvelier recovered after a knee injury to make a second-half substitute appearance while Tyler Roberts made the bench following hamstring trouble.
Darren Ferguson declared his delight at a 'big win' for Doncaster after they saw off Bradford 2-0.
Doncaster took a major step towards securing their Sky Bet League One survival by beating Bradford 2-0.
Southampton manager Mark Hughes was delighted to see his new side reach the FA Cup semi-finals but also warned that the Premier League remains a concern.
Borussia Dortmund winger Andre Schurrle was delighted with the team's hard-fought 1-0 Bundesliga victory over Hannover 96 on Sunday afternoon.