Albeit in the first round and not the NBA Finals, Doc Rivers couldn't contain his excitement after the Celtics swept the Knicks on Sunday in Manhattan.
Doc's giddy behavior raised a few eyebrows, specifically those of forward Kevin Garnett.
In a postgame interview with Lisa Salters, Garnett joked that he was going to find out what his head coach was on.
"I need to drug test our coach," Garnett said, as seen in the video below.
