Complex sentence: Nenê began the 2002--03 season as a bench player, but ended it as a starter, averaging 10.5 points, 6.1 rebounds and 1.6 steals, and ranked sixth in the NBA in field goal percentage (.519) and 20th in steals.
Split into simpler sentences: Nenê began the 2002--03 season as a bench player, but ended it as a starter, averaging 10.5 points, 6.1 rebounds and 1.6 steals. He ranked sixth in the NBA in field goal percentage (.519) and 20th in steals.