Detroit Lions Offensive Formations Singleback Ace Pair Bunch X Nasty Deuce Close Doubles Y Off Close Tight Y Off Flex U Off Stack Wing Pair Wing Stack Wing Tight U I Form Close Slot Close Twin TE Y Off Close Shotgun Bunch Quads Bunch TE Bunch X Nasty Bunch Y-Flex Doubles Doubles Hip Doubles Off Close Wk Empty Bunch Open Empty HB Wide Flanker Close Wk Spread Y-Slot Wk Tight Open Tight Y Off Wk Trips TE Flex Trips Y-Flex Wing Slot Offset Strong I Y Off Close Weak I Close Defensive Formations 3-4 Cub Over Under 4-4 Split Nickel 2-4 2-4 Dbl Mug 3-3 Cub Dime 2-3 Sugar Weak Quarter Normal Prevent 3 Deep Goal Line 5-3 6-2