 He finished 4th in the NBA Rookie of the Year voting and averaged 18.8 points and 9.1 assists in the 37 games as a starter, but had four turnovers a contest as a starter in his first NBA season.On August 11, 2010, the Hornets traded Collison and James Posey to the Indiana Pacers in a four-team, five-player deal that also sent Troy Murphy to the New Jersey Nets, Trevor Ariza to the New Orleans Hornets and Courtney Lee to the Houston Rockets.On July 12, 2012, Collison and Dahntay Jones were traded to the Dallas Mavericks for Ian Mahinmi.