Pete Alonso launched a tiebreaking homer and Jacob deGrom pitched well enough to help save the New York Mets’ season with a 7-3 victory over the San Diego Padres that evened their wild-card playoff series at one game apiece.

Edwin Díaz struck out Gavin Lux on a 102.8 mph fastball to escape a jam in the eighth inning, and the New York Mets beat the major league-best Los Angeles Dodgers 5-3.

Jacob deGrom allowed one run on three hits and struck out six in five innings in his season debut before a bullpen meltdown cost the New York Mets in a 5-1 loss to the Washington Nationals.

Baseball’s trade deadline day was an action-packed affair — and no one had more fun than the Padres.

The Los Angeles Dodgers surged past the San Francisco Giants with a seventh-inning rally and won 7-4 for their season-high eighth consecutive victory.

Mookie Betts broke an eighth-inning tie with a three-run homer and the Los Angeles Dodgers beat the San Francisco Giants 9-6 after blowing a five-run lead in the seventh.

Mike Yastrzemski hit a game-ending grand slam off major league saves leader Josh Hader for San Francisco’s third homer of the ninth inning, and the Giants rallied from a three-run deficit to stun the Milwaukee Brewers 8-5.

Manny Machado hit a tiebreaking double in the 10th inning and the San Diego Padres won in manager Bob Melvin’s return, holding off the San Francisco Giants 8-7.

Only the San Francisco Giants themselves envisioned a season with success quite like this.

A stellar season for the San Francisco Giants ended when Wilmer Flores was called out on a disputed check-swing to end a 2-1 loss to the Los Angeles Dodgers in the deciding Game 5 of the NL Division Series.

Mookie Betts homered and drove in three runs, Will Smith also went deep and the Los Angeles Dodgers defeated the San Francisco Giants 7-2 to force a decisive Game 5 in their NL Division Series.

LaMonte Wade Jr. singled home the winning run with one out in the ninth inning and the San Francisco Giants held their two-game lead in the NL West by beating the Arizona Diamondbacks 5-4.

Buster Posey homered in the first inning and scored the go-ahead run on an error in the third, and the San Francisco Giants beat the San Diego Padres 6-1 for their ninth straight victory a day after becoming the first team in the big leagues to clinch a playoff berth.

Steven Duggar hit a tiebreaking two-run triple after being called up earlier in the day, Brandon Belt homered, and the San Francisco Giants wrapped up their key weekend series against the rival Los Angeles Dodgers with a 6-4 win to take the NL West lead.

Thairo Estrada hit a three-run homer during San Francisco’s four-run eighth inning, and the Giants beat the Brewers 5-1 to avoid a four-game sweep.

Kris Bryant homered in his Giants debut, a two-out solo shot in the third inning, and San Francisco beat the Houston Astros 5-3 on Sunday.

Buster Posey scored the tiebreaking run on a throwing error by first baseman Cody Bellinger in the eighth inning, and the San Francisco Giants beat the Los Angeles Dodgers 2-1.

LaMonte Wade Jr. broke a ninth-inning tie with a two-run single and the San Francisco Giants rallied against closer Kenley Jansen again for a 5-3 victory over the Los Angeles Dodgers.

Anthony DeSclafani threw 8 2/3 effective innings, Austin Slater and Darin Ruf both homered and the San Francisco Giants beat the Arizona Diamondbacks 5-2 for their third straight victory.

Brandon Crawford homered and drove in three runs as the San Francisco Giants sent the Arizona Diamondbacks to their 20th straight road loss with a 5-2 victory.

Andrew Knapp hit the winning single in the ninth inning, Bryce Harper hit a tying solo homer in the seventh and the Philadelphia Phillies beat the San Francisco Giants 6-5.

(AP Photo/Eric Risberg)SAN FRANCISCO Evan Longoria and Darin Ruf launched back-to-back home runs in the second inning and the Giants spoiled Madison Bumgarners return to San Francisco with a 4-3 win over the Arizona Diamondbacks on Saturday night. His 119 wins are third-most in San Francisco history and his 1,794 strikeouts rank second. Joey Bart and Mauricio Dubn added consecutive RBI triples in the sixth to give San Francisco a 4-1 lead. San Francisco improved to 6-2 against the Diamondbacks this season, outscoring them 39-23. He went 2-1 with a 4.11 ERA in three starts against San Francisco last season.