Pittsburgh Steelers Offense Offensive Formations Singleback Ace Ace Double Wing Ace Pair Bunch Deuce Dice Slot Wing Pair Wing Slot Wing Stack Wing Tight Wing Tight U I Form Twin TE Pistol Doubles Y Off Open Slot Shotgun Bunch Doubles Doubles Y Off Wk Empty Bunch Empty Trey Stack Empty X-Trip Empty Y-Flex Spread Y-Slot Wk Stack Y Off Wk Stack Y-Flex Tight Doubles Trey Open Trio Trips TE Flex Wing Slot Offset Wing Slot Wk Y Off Trips Wk Y Trips Wk Weak I Wing Wildcat Slot Flex