Seattle Seahawks Offensive Formations Singleback Bunch X Nasty Deuce Close Tight Y Off Flex U Off Stack U Off Trips Wing Close Wing Pair Wing Stack Wing Tight Left Wing Tight Nasty I Form Close Flex H Pro Pistol Bunch X Nasty Deuce Close Full House Base Strong Y Off Close Trips U Off Trips Shotgun Bunch Str Nasty Bunch Y-Flex Double Stack Empty Base Trio Normal Y Off Close Normal Y Off Wk Spread Y-Slot Tight Doubles Tight Y Off Wk Trips Trips HB Wk Wing Stack Y Off Trips Y Off Trips Wk Strong I H Close Off Wing Defensive Formations 3-4 Cub Even Odd Over Under Nickel 2-4 2-4 Dbl Mug 3-3 3-3 Cub Dime 2-3 Prevent 3 Deep Goal Line 5-3 6-2