Vic Fangio: Playing smaller will be key for Lawrence Okoye

49ers defensive lineman Lawrence Okoye essentially got a redshirt year in 2013, spending his first NFL season on injured reserve with a knee injury as he transitioned from discus thrower to football player. The good news? Okoye has made some strides, Niners defensive coordinator Vic Fangio told reporters Wednesday. But now comes the challenge of…