Photo credit: @NBCSGiants

By Jeremy Kahn

SAN FRANCISCO — Madison Bumgarner came up with the biggest hit of the night when it was needed the most.

Bumgarner, who was forced to pinch hit after there were no more pinch hitters hit a walk-off single off of Brad Wieck in the bottom of the 12th inning, as the San Francisco Giants came back to defeat the San Diego Padres 5-4 before a crowd of 36,063 at AT&T Park on Tuesday night.

The Bumgarner single off of Wieck scored Gorkys Hernandez from third base, after Hernandez tripled to lead off the inning against Wieck.

This was the first walk-off of Bumgarner’s career, and his fourth career pinch-hit with the last coming on July 21, 2016 against the Washington Nationals.

Chris Stratton went just 4.2 innings, allowing three runs on six hits, walking five and striking out five.

The win by the Giants stopped their five-game losing streak, as they won for just the fifth time in their last 22 games.

The Giants took the lead in the bottom of the seventh inning, as Gregor Blanco came off the bench and doubled down the left field line to score pinch-hitter Joe Panik, who singled and Hunter Pence, who singled Panik to third base. Gorkys Hernandez led off the inning with a double, but was thrown out trying to steal third base for the first out of the inning.

Unfortunately, Will Smith was unable to close it out, as he gave up a one-out double to Wil Myers and then Framil Reyes singled to score Myers.

Eric Hosmer gave the Padres the lead in that third inning, as he singled in Robbie Erlin and Myers, on the play, Hernandez to control the ball for an error that sent Reyes across the plate.

Abiatal Avelino then committed the Giants second error in as many at-bats, as he was unable to field the Hunter Renfroe ball that scored Reyes from third base.

Erlin went the minimum five innings, allowing two runs on four hits, not walking a batter and striking out four, but did not fare in the decision.

Evan Longoria gave the Giants an early 1-0 lead on a double that scored Pence, who led off the by reaching on an error by Javy Guerra.

Pence, whose contract with the Giants comes to an end on Sunday got the Giants within one run in the bottom of the fifth inning, as he hit his fourth home run of the season.

NOTES: With the victory, the Giants raise their record to 52-19 when they score four or more runs in a game.

Bumgarner is the first MLB player since Jon Lester of the Chicago Cubs to get a walk-off single without pitching in a game. Lester’s walk-off came on July 31, 2016 against the Seattle Mariners at Wrigley Field.

UP NEXT: The Giants and Padres conclude their series Wednesday night at 7:15 pm PDT.

The Giants’ Casey Kelly takes the mound, as he looks for his first win, while the Padres will Eric Lauer to the mound in the series and season finale between the two teams.