"Tune out Kyrie Irving, Anderson Varejao and the Cavaliers' fourth quarters at your own peril.

Just ask the Boston Celtics, who have seen enough of the Cavs' youthful legs and naive belief that no late-game deficit is insurmountable.

After rallying for an improbable victory in Boston on Sunday, the Cavaliers nearly did it again Tuesday night before falling, 93-90, in front of 14,798 fans at The Q. Trailing by 18 to open the fourth quarter, the short-handed Cavaliers cut the Celtics' lead to 89-87 with 1:18 remaining on a driving layup from Kyrie Irving. "