Chelsea will be hoping for a win this evening as they face Ligue 1 Champions Paris Saint-Germain in a repeat of last years Quarter final face off
Mourinho confirmed during Monday’s press conference that Costa will start on his return from suspension against PSG.
Midfielder John Obi Mikel (knee) is out, but Oscar is back in contention after missing the Premier League leaders’ defeat of Everton with a minor problem.
Jose Mourinho however has a hard decision to make in goal with Petr Cech and Thibaut Courtois in contention, and central defence, where Kurt Zouma could continue ahead of Gary Cahill.
For PSG, Manager Lauret Blanc confirmed on Monday that Lucas Moura, Yohan Cabaye and Serge Aurier will all miss the clash after coming off in the draw with Caen.
However, Brazilian defender Marquinhos, who was also inured on Saturday, was named in the squad along with fellow injury doubts Javier Pastore, Blaise Matuidi and Thiago Motta after coming through training on Monday afternoon.
PSG are unbeaten in their last 32 home games in European competition (W22 D10), the longest ever run for a French club. Their last defeat was against Hapoel Tel Aviv in the group stages of the UEFA Cup back in November 2006.
PSG have scored in each of their last 18 home games in European competition. BATE Borisov were the last team to keep a clean sheet at the Parc des Princes, in February 2011.
Chelsea scored more goals than any other team in this season’s Champions League group stages (17).
Didier Drogba has scored five goals in seven competitive games against PSG with Guingamp, Marseille and Chelsea.