Riviere missed United's two games before the recent international break after coming off in pain during February's win at home to London City Lionesses.
Rolfo, meanwhile, picked up a knock as we beat Leicester one weekend earlier and was forced into a watching brief for the four matches that followed.
Both are set to make timely returns though, according to Skinner's update on Friday morning, which also provided the latest on the sidelined Anna Sandberg and Ella Toone.
“Frido’s back. Frido will be back in contention,” Marc began, in his pre-final press conference, sat alongside captain Maya Le Tissier at Carrington.