The Brazilian has recovered from a knee problem in time for the first knockout round second leg at the San Siro, a game Milan must win to qualify for the quarter-finals having drawn 0-0 at Arsenal two weeks ago. Barcelona, the 2006 winners, are favourites to go through after winning 3-2 at Celtic in the first leg although the Catalans will be wary after Atletico Madrid fought back from a goal down to beat Frank Rijkaard's side 4-2 at the weekend.
Manchester United welcome Olympique Lyon to Old Trafford with the scores level at 1-1 after Carlos Tevez's late equaliser in France last month.
Firebrand forwards Cristiano Ronaldo and Wayne Rooney came on as substitutes in United's 3-0 win at Fulham on Saturday but the pair look certain to start against Lyon.
Fenerbahce also visit Sevilla on Tuesday, with the Turks 3-2 up from the first leg.
Three other ties take place on Wednesday, with Inter Milan against Liverpool having been put back to March 11.