Jan 30, 2013; Boston, MA, USA; Boston Celtics head coach Doc Rivers watches from the sideline as they take on the Sacramento Kings during the second quarter at the TD Garden. (David Butler II-USA ... more 

Jan 30, 2013; Boston, MA, USA; Boston Celtics head coach Doc Rivers watches from the sideline as they take on the Sacramento Kings during the second quarter at the TD Garden. (David Butler II-USA TODAY Sports) less