‘With Stevie Johnson (groin) and David Nelson (knee) missing some practice time, a golden opportunity for others to step up and get noticed materialized late in the first week of camp. The problem was, it didn’t happen. Everyone seemed to be stricken with a case of the dropsies for a couple days, something coach Chan Gailey called “unacceptable. If we drop the ball that much, we won’t win any games.” Someone has a chance to take the lead when Buffalo begins preseason play against Washington Thursday.’