Brandon Crawford hit a grand slam, Chadwick Tromp and Darin Ruf added two-run homers, and the San Francisco Giants prevented the Oakland Athletics from clinching the AL West title at home with a 14-2 victory Sunday.

The Giants earned their first win in six tries during this year's Bay Bridge Series.

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San Francisco Giants' Chadwick Tromp, left, celebrates after hitting a two-run home run next to Oakland Athletics catcher Sean Murphy during the third inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Brandon Crawford hit a grand slam, Chadwick Tromp and Darin Ruf added two-run homers, and the San Francisco Giants prevented the Oakland Athletics from clinching the AL West title at home with a 14-2 victory Sunday.

San Francisco Giants third baseman Evan Longoria fields Oakland Athletics' Mark Canha's groundout during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Jake Lamb hit a two-run single in the sixth for Oakland’s lone scoring on an uncharacteristically quiet day.

San Francisco Giants' Tyler Anderson pitches against the Oakland Athletics during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Ruf added a two-run single in the eighth as the Giants snapped a three-game winning streak for Oakland (33-20) following consecutive 6-0 shutouts. Luis Basabe got his first career RBI with a single in a three-run ninth.

Oakland Athletics' Mike Minor pitches against the San Francisco Giants during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

San Francisco, which is 10-17 on the road, was outscored 44-30 in the six games versus Oakland in 2020.

Oakland Athletics center fielder Ramon Laureano catches a ball hit by San Francisco Giants' Brandon Belt for an out during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

MENGDEN UPDATE

San Francisco Giants' Austin Slater kneels during the national anthem before a baseball game against the Oakland Athletics in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Giants: Rookie C Joey Bart is getting a couple of days off to do more hitting work with the coaches, manager Gabe Kapler said. ... Yastrzemski, who left Thursday’s win against Seattle with tightness in his right calf, missed a third straight game.

Oakland, already into the playoffs for a third straight season, needed a win or a loss by the rival Astros to secure their first division crown since 2013. Houston won at home against the Diamondbacks.

San Francisco Giants' Chadwick Tromp, left, celebrates after hitting a two-run home run next to Oakland Athletics catcher Sean Murphy during the third inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

San Francisco Giants' Chadwick Tromp, left, celebrates after hitting a two-run home run next to Oakland Athletics catcher Sean Murphy during the third inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Jake Lamb hit a two-run single in the sixth for Oakland’s lone scoring on an uncharacteristically quiet day.

Tyler Anderson (3-3) — ejected in the third inning Thursday against the Mariners — struck out four over 5 2/3 innings pitching Sunday on shorter rest so Johnny Cueto could get an extra day.

Tromp connected in the third for the Giants’ first runs of the series, then Ruf the next inning against A's lefty Mike Minor (1-6), who was coming off a victory in his first start with Oakland. Tromp also had an RBI single during his three-hit day as San Francisco produced 15 hits to five by the A's.

San Francisco Giants third baseman Evan Longoria fields Oakland Athletics' Mark Canha's groundout during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

San Francisco Giants third baseman Evan Longoria fields Oakland Athletics' Mark Canha's groundout during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Ruf added a two-run single in the eighth as the Giants snapped a three-game winning streak for Oakland (33-20) following consecutive 6-0 shutouts. Luis Basabe got his first career RBI with a single in a three-run ninth.

AVOIDING A SWEEP

The Giants scored their second-most runs of the season behind a 23-5 win at Colorado on Sept. 1. They won for the third time in eight games after being held to no more than one run in each of the five defeats during this stretch.

San Francisco Giants' Tyler Anderson pitches against the Oakland Athletics during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

San Francisco Giants' Tyler Anderson pitches against the Oakland Athletics during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

San Francisco, which is 10-17 on the road, was outscored 44-30 in the six games versus Oakland in 2020.

GOOD GUYS

A's infielder Tony Kemp and his old college teammate at Vanderbilt, injured Giants right fielder Mike Yastrzemski, received the Bill Rigney “Good Guy” awards from the local chapter of the Baseball Writers' Association of America.

Oakland Athletics' Mike Minor pitches against the San Francisco Giants during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Oakland Athletics' Mike Minor pitches against the San Francisco Giants during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

MENGDEN UPDATE

A’s RHP Daniel Mengden was designated for assignment after being medically cleared and reinstated from the COVID-19 injured list following a positive test from Aug. 28. He has been asymptomatic throughout and resumed throwing off a mound at the club’s San Jose alternate site in recent days.

TRAINER’S ROOM

Oakland Athletics center fielder Ramon Laureano catches a ball hit by San Francisco Giants' Brandon Belt for an out during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Oakland Athletics center fielder Ramon Laureano catches a ball hit by San Francisco Giants' Brandon Belt for an out during the first inning of a baseball game in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Giants: Rookie C Joey Bart is getting a couple of days off to do more hitting work with the coaches, manager Gabe Kapler said. ... Yastrzemski, who left Thursday’s win against Seattle with tightness in his right calf, missed a third straight game.

Athletics: RHP Lou Trivino sustained a “pretty good-sized bruise” according to manager Bob Melvin after being hit by a line drive on the upper leg Saturday but did some pregame throwing to test the injury. ... INF Chad Pinder, on the injured list with a strained right hamstring, has begun baseball activities and swings in the cage the past two days.

UP NEXT

San Francisco Giants' Austin Slater kneels during the national anthem before a baseball game against the Oakland Athletics in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

San Francisco Giants' Austin Slater kneels during the national anthem before a baseball game against the Oakland Athletics in Oakland, Calif., Sunday, Sept. 20, 2020. (AP PhotoJeff Chiu)

Giants: Cueto (2-1, 4.78 ERA) pitches Monday trying to snap a four-start winless stretch after losing his last time out at San Diego.

Athletics: RHP Frankie Montas (3-4, 5.86) is back from the paternity list and will pitch Tuesday's series opener at Dodger Stadium after an Oakland off day.

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