Kyrie Irving's freakish knee injury in the NBA Finals last year taught him a valuable lesson about what it takes to get through a postseason. One year after medical misfortune sabotaged their title hopes, the Cavaliers, unlike the Golden State Warriors, are relatively healthy as they wait to find out if they'll play Boston or Atlanta in the second round. Cleveland came out of its first-round sweep of Detroit in good shape, and the Cavs should be close to 100 percent when they open their series against either the Celtics of Hawks next week.