I'm looking forward to seeing Xavi, Iniesta and Cesc rotating in their two midfield lineup spots for most of the rest of the year. Tito could still play all three at the same time in a just a few of the big games. None of them like sitting at all, but Barca cleary gets better play out of them when they are sufficiently rested and when they are completely motivated to show why they should never sit.
Their playing time should be fairly even, but Cesc should play the most, he has clearly been the best this year. Despite his horrendous work defending corners.