/Tackle
?
/Center?
/Back?
/Halfback?
/Fullback?
/Quarterback?
/Tight? end
/Center?
/Defensive? back
/End?
/Tight? end
/Wide? receiver
/I back
/Cornerback?
/Nose? tackle
/Guard?
/Safety?
/Free? safety
/Wide? out
/Punter?
/Place? kicker
/Kick? returner