Memphis Grizzlies' Jon Leuer (30) hits the ball away from San Antonio Spurs' Tim Duncan (21), of U.S. Virgin Islands, in the first half of an NBA basketball game in Memphis, Tenn., Tuesday, Jan. 7, 2014. (AP Photo/Danny Johnston)
San Antonio Spurs' Tim Duncan (21), of U.S. Virgin Islands, defends against Memphis Grizzlies' James Johnson in the first half of an NBA basketball game in Memphis, Tenn., Tuesday, Jan. 7, 2014. (AP Photo/Danny Johnston)
San Antonio Spurs' Tim Duncan (21) is blocked by New York Knicks' Carmelo Anthony (7) as he tries to score during the first half on an NBA basketball game, Thursday, Jan. 2, 2014, in San Antonio. (AP Photo/Eric Gay)
Los Angeles Clippers' Blake Griffin, foreground, scores as San Antonio Spurs' Tim Duncan (21) tries to defend him during the first half on an NBA basketball game, Saturday, Jan. 4, 2014, in San Antonio. (AP Photo/Eric Gay)