NBA champion Celtics take Round 1 and end Cavaliers’ perfect season after 15 straight wins
BOSTON – This one wasn’t about their perfect season or a 15-game winning streak or even the NBA Cup. This was a chance for the undefeated Cleveland Cavaliers to see where they stood against the defending champions. “This was a great test for us, and unfortunately we didn’t get the win,” said Donovan Mitchell, whose…