Pittsburgh Steelers Offensive Formations Singleback Ace Double Wing Ace Pair Bunch Deuce Doubles Y Off Close Trips Wing Pair Wing Slot Wing Stack Wing Tight U I Form Close Flex Pistol Doubles Y Off Trips Shotgun Bunch Bunch Str Nasty Empty Base Trio Empty Chips Empty X-Trip Normal Y Off Normal Y Off Wk Spread Y-Slot Wk Tight Doubles Tight Y Off Trips TE Trips TE Flex Trips Y-Flex Wing Slot Offset Y Off Trips Y Off Trips Wk Strong I Y Off Close Defensive Formations 3-4 Cub Even Odd Over Nickel 2-4 2-4 Dbl Mug Triple Dime 1-4 2-3 2-3 Will Prevent 3 Deep Goal Line 5-3 6-2