Golden State Warriors' Harrison Barnes (40) shoots as Boston Celtics' Paul Pierce guards during the second half of an NBA basketball game in Oakland, Calif., Saturday, Dec. 29, 2012. (AP Photo/George ... more 

Golden State Warriors' Harrison Barnes (40) shoots as Boston Celtics' Paul Pierce guards during the second half of an NBA basketball game in Oakland, Calif., Saturday, Dec. 29, 2012. (AP Photo/George Nikitin) less