Mikael Silvestre joined United's first-team squad travelling to Rome on Monday morning, with Nani being the only major absentee.
Silvestre hasn't played for the first-team since injuring knee ligaments against Everton in September, while Nani is still suffering from a thigh strain.
United had concerns over the fitness of Michael Carrick, Patrice Evra, Rio Ferdinand and Ryan Giggs, who all came off in the 4-0 win over Aston Villa.
But all four travel, as does Edwin van der Sar, who sat out Saturday's match, although there is no place for Louis Saha, who is still suffering with a hamstring complaint.
The French forward's absence means a chance for 17-year-old Danny Welbeck - still waiting for his first United start - as one of only three strikers in the 21-man travelling squad.
Goalkeeper Ben Foster isn't included in the squad as he was not registered for Europe, so Tom Heaton takes his place.
United squad: Van der Sar, Kuszczak, Heaton; O'Shea, Brown, Ferdinand, Vidic, Pique, Evra, Silvestre; Anderson, Ronaldo, Park, Hargreaves, Scholes, Carrick, Giggs, Eagles; Tevez, Rooney, Welbeck.