Washington Wizards&#39; Shelvin Mack &#40;22&#41; and Philadelphia 76ers&#39; Spencer Hawes &#40;00&#41; chase a loose ball in the first half of a preseason NBA basketball game Tuesday, Dec. 20, 2011, in Philadelphia.  <span class=meta>( &#40;AP Photo&#47;H. Rumph Jr &#41;)</span>