After playing just 10 games with the NBA Development League's Texas Legends, former NBA big man Greg Ostertag is calling it quits. Ostertag cited unbearable knee pain as the reason for calling an end to his brief comeback. The 38-year-old 7-footer joined the Legends in the hopes of making it back to the NBA, but that dream never came to fruition. Ostertag averaged 4.3 points and 5.0 rebounds in 13.3 minutes per game.