There were some doubts over Scott McTominay, after the midfielder exited Saturday’s 0-0 draw with Arsenal in the first half.
Our no.39 was struggling with stomach cramps at the Emirates Stadium, but the boss told us he is fine to feature as Ralph Hasenhuttl brings his injury-depleted squad to M16.
The Saints, who have lost their last three top-flight matches since beating champions Liverpool at the start of January, could have up to nine first-team players on the sidelines.
United, however, have the luxury of a fit and healthy complement – Victor Lindelof returned to the starting XI at Arsenal, while Eric Bailly was included on the bench – and Solskjaer says his main thought at the moment is rotation and keeping everyone fresh.