Philadelphia 76ers President and General Manager Ed Stefanski announced today that Calvin Booth has exercised the player option on his contract.  Per team policy, terms of the contract are not disclosed.
The Penn State product signed as a free agent with the Sixers on September 11, 2007.  He appeared in 31 games last season, averaging 0.8 points, 1.2 rebounds and 0.58 blocks in 6.6 minutes per game.  Booth averaged 4.24 blocks per 48 minutes played last season, which was the 11th highest average by any player in the league.  He recorded four of his season-high five blocks in the first quarter vs. Miami on December 12, 2007.  Booth is approaching his 10th season in the NBA.