Russell Westbrook wasn’t about to let Shelden Williams show him up. With 1:35 to play in the third quarter last Friday against Sacramento , Williams blocked Westbrook’s layup attempt and taunted the Thunder’s rookie point guard with a few choice words.

Five seconds later, Westbrook stormed down the lane and tried to dunk over the Kings’ burly 6-foot-9 inch power forward, drawing a foul on Williams and send...