Washington Redskins quarterback Robert Griffin III walks off the field after twisting his knee during the second half of an NFL wild card playoff football game against the Seattle Seaha

 

              Washington Redskins quarterback Robert Griffin III walks off the field after twisting his knee during the second half of an NFL wild card playoff football game against the Seattle Seaha
Washington Redskins quarterback Robert Griffin III walks off the field after twisting his knee during the second half of an NFL wild card playoff football game against the Seattle Seahawks in Landover, Md., Sunday, Jan. 6, 2013. (AP Photo/Evan Vucci)