Nick Collison undergoes successful knee surgery

Oklahoma City Thunder forward Nick Collison underwent a successful arthroscopic procedure today on his right knee, Thunder Executive Vice President and General Manager Sam Presti announced.

Collison is expected to miss 4-6 weeks before returning to normal offseason activities.

This past season, Collison appeared in 66 games (two starts) and averaged 4.1 points, 3.8 rebounds and 1.4 assists in 16.7 minutes per game.