After he dressed following another disturbing loss, Carmelo Anthony was asked about his injured right thumb, the All-Star's newest ailment. "It's messed up," he said. So are the Knicks. One night after finally getting its offense to flow as designed, New York made 23 turnovers and never mounted a serious comeback in the fourth quarter Wednesday night, falling 91-81 to the Cleveland Cavaliers, the Knicks' seventh loss in eight games.