According to "USA Today" reported that in the JR Smith seriously injured, the Cavaliers suffered a serious injury crisis, an urgent need to strengthen the point guard and outside the 3D player (three-point defensive player). In this context, Knight General Manager David - Griffin will not fear luxury tax, and strive to help the team through the transaction to defend. In the Christmas war, the Cavaliers with Carey - Owen last 3 seconds of the key to the 109-108 win over the Warriors, complete the comeback. But in this game, they reveal the problem of insufficient depth, the whole game only 8 people in rotation. Knight of the game's three players in the bench, no one point guard, Terrence Lu can only extend LeBron - James and Irving's playing time to make up for this problem. December 21, Knight 114-108 victory over Bucks in the game, Smith right hand shot seriously injured, the truce 12-14 weeks time, need to wait until the end of the regular season have comeback...