August 28, 2020 4:39 pm Scal's Keys to the Series: Three Celtics who need to step up Brian Scalabrine breaks down his top three Celtics players who need to step up if Boston is going to win their series against the Raptors. Celtics Videos 2:35 Celtics earn dominant series win over Heat 0:51 Jayson Tatum: ‘Lazy to say teams can out-tough us' 3:20 EXCLUSIVE: Sam Hauser on closing out Heat in Game 5 at home 2:58 Highlights from Mike Gorman's final game as Celtics broadcaster 3:41 HIGHLIGHTS: Celtics breeze past Heat, advance to Conference Semifinals