Jan 30, 2013; Boston, MA, USA; Boston Celtics head coach Doc Rivers (left) and Sacramento Kings head coach Keith Smart watch from the sideline during the first quarter at the TD Garden. (David Butler ... more 

Jan 30, 2013; Boston, MA, USA; Boston Celtics head coach Doc Rivers (left) and Sacramento Kings head coach Keith Smart watch from the sideline during the first quarter at the TD Garden. (David Butler II-USA TODAY Sports) less