 As a rookie in the NBA in 2010–11, Peković averaged 5.5 points and 3.0 rebounds per game.On August 16, 2011, Peković signed a contract to play for his former team Partizan until the end of the 2011 NBA lockout.In 7 Euroleague games with Partizan, he led the team averaging 15.4 points and 4.6 rebounds.