Cleveland Cavaliers have Terry Talkin' about how David Blatt needs to make changes -- Terry Pluto

Cleveland Cavaliers head coach David Blatt has to figure out how to best use his players. (John Kuntz / Cleveland.com)CLEVELAND, Ohio -- You can see it, David Blatt is struggling.

Ever since Kyrie Irving and Iman Shumpert returned to health, the Cavaliers coach can't quite figure out how to use his entire roster. His rotations have been more like a knuckleball than a sharp slider. They sort of float and drift with a mind of their own.

Any knuckleball pitcher will tell you that he aims for the heart of the plate, tries to take as much spin off the ball as possible -- and then let the wind and elements take over.

With the Cavs, LeBron James is the heart of the team. When he plays well, the same…