"Bears wide receiver Johnny Knox isn't surprised that he's starting the 2012 season on the physically unable-to-perform list. But he fully expects to play again in the NFL. "I do believe I'll be back on the field," Knox said. ''It could be this season, next season. Who knows? But I'm going to keep striving to get better and get back on the field." That's an ambitious goal given his gruesome injury. Against the Seattle Seahawks last Dec. 18, Knox was drilled in the back and suffered a spine injury that required surgery." read more:
