Detroit Lions Offense Offensive Formations Singleback Ace Pair Bunch Deuce Close Doubles Y Off Close Tight Y Off Wing Pair Wing Slot Wing Stack Wing Tight U I Form Slot Close Tight Y Off Pistol Double Stack Shotgun Bunch Bunch TE Doubles Doubles HB Wk Doubles Y-Flex Empty Base Flex Empty Trey Stack Tight Trips TE Trips TE Flex Wing Slot Wk Y Trips Wk Strong I Z Close Weak I Pro