Houston Rockets' Dwight Howard (12) is fouled by San Antonio Spurs' Boris Diaw (33) during the second half of an NBA basketball game Tuesday, Jan. 28, 2014, in Houston. The Rockets won 97-90. (AP Photo/Pat Sullivan)
San Antonio Spurs coach Gregg Popovich, talks with Cory Joseph during the second half of an NBA basketball game against the Houston Rockets on Tuesday, Jan. 28, 2014, in Houston. The Rockets won 97-90. (AP Photo/Pat Sullivan)
Houston Rockets' Dwight Howard (12) looks to the basket while San Antonio Spurs' Tim Duncan (21) had a hand on his back during the first half of an NBA basketball game Tuesday, Jan. 28, 2014, in Houston. (AP Photo/Pat Sullivan)