Dirk Nowitzki sat at his locker, with a bulging ice bag wrapped around his left ankle and a sly smile across on his face. The reigning MVP was back in the playoff race for the Dallas Mavericks -- and they got a huge victory in a game that many didn't expect him to play. Nowitzki wasn't even so sure, no matter how much he was ready to get back on the court after missing four games because of a high...