Photos: LA Rams season opener

49ers quarterback Blaine Gabbert leaps for a 1st down over Rams cornerback Trumaine Johnson in the 2nd quarter.

49ers Arik Armstead celebrates his sack on quarterback Case Keenum (17) in the 2nd quarter.

49ers NaVorro Bowman and Mike Purcell intecepts a Case Keenum pass in the 2nd quarter.

Rams Dominique Easley forces a fumble on 49ers running back Shaun Draughn in the 2nd quarter.

Rams quarterbacks Sean Mannion, left, and Jared Goff talk on the sideline after starter Case Keenum had a pass intercepted in the season opener.  (Wally Skalij / Los Angeles Times)

Rams running back Todd Gurley is held to a 1-yard gain as 49ers linebacker Eli Harold brings him down in the 3rd quarter.  (Wally Skalij / Los Angeles Times)

49ers cornerback Tramaine Brock knocks the ball away from Rams receiver Brian Quick on Monday.  (Wally Skalij / Los Angeles Times)

49ers linebacker Ray-Ray Armstrong dances after tackling Rams running back Todd Gurley for a 5-yard loss in the 2nd quarter.

Rams running back Todd Gurley is brought down by the 49er defense as offensive lineman Greg Robinson tries to avoid him in the 3rd quarter.

49ers running back Carlos Hyde scores a touchdown in front of Rams (L-R) T.J. McDonald, Lamarcus Joyner and Alex Ogletree in the 1st quarter.

49ers receiver Quinton Patton eludes the tackle of Rams defenders Maurice Alexander, left, and Coty Sensabaugh for a huge gain in the 4th quarter.

49ers Jauiski Tartt pressures Rams quartback Case Keenum into an incomplete pass in the 3rd quarter.

A Rams fan cheers for his team in the 1st quarter against the 49ers.

Rams take the field before their game with the 49ers at Levi’s Stadium in Santa Clara.