San Francisco 49ersOffensive FormationsSingleback Ace Pair Bunch Bunch TE Deuce Close Doubles Y Off Close Wing Flex Close Wing Pair Wing Tight Y Off Trio I Form Close Pro Slot Close Tight Twin TE Y Off Shotgun Bunch Wide Bunch Y-Flex Deuce Close Doubles HB Wk Doubles Y-Flex Empty Base Flex Split Close Split Close Pro Tight Tight Y Off Trey Trey Open Trey Y-Flex Wing Tight Y Trips Wk Strong I Close Y Off Weak I Z Close Defensive Formations4-3 Normal Over Over Plus Wide 9 5-2 Normal 46 Bear Under Nickel Double A Gap Normal Wide 9 Dime Normal Dollar 3-2-6 Prevent 3 Deep Goal Line 5-3 6-2
