Pato is set to join the World Club Champions from AC Milan in the January transfer window.
“It’s hard to say who will play,” Emerson said. “We have a group of players, it is difficult to distinguish. The team of Corinthians is not about the stars, we have no star.
“It’s hard to tell … I say the same for himself [Pato] if he arrives. Tite prioritises the player who is better at the time. To play you have to be good.”