Grizzlies pick up contract options on Mayo, Arthur, Thabeet -- but not Carroll

The Grizzlies exercised fourth-year contract options on guard O.J. Mayo and forward Darrell Arthur, and picked up the third-year option on center Hasheem Thabeet this afternoon.

Each player will have guaranteed deals through the 2011-12 season in accordance to the NBA’s rookie salary scale. Neither decision came as a surprise given their roles on the team.

But second-year forward DeMarre Carroll wasn’t as fortunate as he learned that the Griz declined to exercise the third-year option on his rookie contract. Carroll will become an unrestricted free agent next summer.