Two weeks into the season, the Celtics have learned plenty. Their defense continues to need sharpening. They need to be better on the glass. Consistency has eluded them through seven games.
And, among other things, the Cavaliers have presented themselves as a major problem, to the Celtics and the rest of the league.
In the matter of five days, the Celtics have learned that lesson the hard way in two games that could be an early preview of a playoff series next spring. The Celtics looked poised to avenge last Friday’s overtime loss on Wednesday night in Cleveland, but given another extra session, the upstart Cavs proved to be too much.
