Boston Celtics' Kevin Garnett (5) dunks during the first quarter of Game 4 in an NBA basketball first-round playoff series against the Atlanta Hawks, in Boston on Sunday, May 6, 2012. (AP ... more 

Boston Celtics' Kevin Garnett (5) dunks during the first quarter of Game 4 in an NBA basketball first-round playoff series against the Atlanta Hawks, in Boston on Sunday, May 6, 2012. (AP Photo/Michael Dwyer) less