San Francisco • Alex Smith threw for a season-high 303 yards and three touchdowns, Frank Gore ran for 106 yards and a score, and the San Francisco 49ers amassed a franchise-record 621 yards in blowing by the Buffalo Bills 45-3 on Sunday.
Michael Crabtree and Vernon Davis each eclipsed 100 yards receiving to back Smith, who threw TD passes of 43, 28 and 10 yards and surpassed 300 yards passing for only the third time in his career.
Rian Lindell kicked a 31-yard field goal in the first quarter before San Francisco scored the final 42 points to hand Buffalo (2-3) its second straight embarrassing loss.
Ryan Fitzpatrick threw for 126 yards and an interception, and the Bills rushed for only 89 yards, most with the game well out of hand once again.
Bills-49ers Stats
Buffalo 0 3 0 0 3
San Francisco 3 14 7 21 45
First Quarter
SF • FG Akers 19, 7:25.
Second Quarter
Buf • FG Lindell 31, 10:46.
SF • K.Williams 43 pass from Ale.Smith (Akers kick), 9:54.
SF • Crabtree 28 pass from Ale.Smith (Akers kick), :24.
Third Quarter
SF • Gore 1 run (Akers kick), 9:06.
Fourth Quarter
SF • Manningham 10 pass from Ale.Smith (Akers kick), 14:12.
SF • Kaepernick 16 run (Akers kick), 9:55.
SF • Dixon 3 run (Akers kick), 1:11.
Attendance • 69,732.
Buf SF
First downs 10 29
Total Net Yards 204 621
Rushes-yards 19-89 38-311
Passing 115 310
Punt Returns 1-28 3-19
Kickoff Returns 2-87 2-45
Interceptions Ret. 0-0 1-4
Comp-Att-Int 16-26-1 19-25-0
Sacked-Yards Lost 1-11 0-0
Punts 6-47.7 2-56.0
Fumbles-Lost 1-1 1-1
Penalties-yards 5-30 7-53
Time of Possession 23:43 36:17
Individual Statistics
Rushing • Buffalo, B.Smith 1-35, F.Jackson 9-29, Spiller 7-24, Fitzpatrick 2-1. San Francisco, Gore 14-106, Hunter 11-81, Ale.Smith 3-49, Kaepernick 4-39, Dixon 4-21, Miller 1-9, K.Williams 1-6.
Passing • Buffalo, Fitzpatrick 16-26-1-126. San Francisco, Ale.Smith 18-24-0-303, Kaepernick 1-1-0-7.
Receiving • Buffalo, St.Johnson 6-39, Chandler 4-40, Graham 2-28, Jones 2-13, F.Jackson 1-5, B.Smith 1-1. San Francisco, Crabtree 6-113, V.Davis 5-106, Manningham 4-26, K.Williams 2-50, Moss 1-11, Celek 1-4.
Missed Field Goals • None.