Josh Allen bounced back from a rough Week 1 performance to throw for three touchdowns as the Buffalo Bills cruised to a 38-10 victory over the Las Vegas Raiders on Sunday in Orchard Park, N.Y.After matching his career high with four turnovers (three interceptions, one fumble) against the Jets last Monday, Allen returned to form against Las Vegas, completing 31 of 37 passes for 274 yards.James Cook paced the rushing attack with 123 yards on 17 carries for Buffalo (1-1), which effectively sealed the victory by maintaining possession for 12:50 of the third quarter.The Bills opened the third with a 15-play, 75-yard drive that ended when Allen found Gabe Davis for a 2-yard touchdown that made it 28-10. Davis finished with six catches for 92 yards.In the fourth, Tyler Bass added a 28-yard field goal and Damien Harris found the end zone from 1 yard out to complete the scoring.Jimmy Garoppolo threw for 185 yards with a TD and two interceptions on 16-of-24 passing for the Raiders (1-1), who saw reigning NFL rushing leader Josh Jacobs held to minus-2 yards rushing on nine carries.Davante Adams hauled in six receptions for 84 yards and a touchdown. He left the game late in the fourth quarter after taking a helmet-to-helmet hit.Daniel Carlson made good on a 47-yard field goal to pull the Raiders within 14-10, but Allen found Khalil Shakir for an 11-yard touchdown with just 18 seconds remaining in the first half to send the Bills into the break up 21-10.