Cleveland shooting guard J.R. Smith suffered a hyperextended left knee in Monday 's 116 - 112 road win over the Raptors .
Shooting guard 'll sit out tonight 's matchup as a result .
Cleveland shooting guard J.R. Smith suffered a hyperextended left knee in Monday 's 116 - 112 road win over the Raptors and he 'll sit out tonight 's matchup as a result .