San Francisco 49ers Offensive Formations Singleback Ace Pair Bunch Bunch TE Deuce Close Doubles Y Off Close Wing Flex Close Wing Pair Wing Tight I Form Close Slot Close Tight Twin TE Pistol Bunch Strong Slot Shotgun Bunch Wide Bunch Y-Flex Deebo Package Deuce Close Doubles Y-Flex Empty Base Flex Split Close Split Close Pro Tight Tight Y Off Trey Trey Open Trey Y-Flex Y Trips Wk Strong I Close Weak I Z Close Defensive Formations 4-3 Even 6-1 Over Over Solid Over Wide 5-2 Normal Nickel Double Mug Over Wide Dime Normal Dollar 3-2 Prevent 3 Deep Goal Line 5-3 6-2
