OKLAHOMA CITY, June 19, 2014 – Oklahoma City Thunder forward Nick Collison underwent successful arthroscopic surgery on his left knee, the team announced today.

This past season, Collison appeared in 81 games and averaged 4.2 points, 3.6 rebounds and 1.3 assists in 16.7 minutes per game.

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