SAN FRANCISCO (AP) — Madison Bumgarner just missed clearing the fences his first time up, hitting a sacrifice fly to the warning track in left field.
The pitcher left no doubt the second time he faced Colorado Rockies starter Jorge De La Rosa.
Bumgarner hit a grand slam and drove in a career-high five runs to overcome a shaky outing on the mound, sending the San Francisco Giants to a 6-5 victory Friday night.
Bumgarner hit a sacrifice fly off De La Rosa in the third inning, then connected for a towering home run in the fourth. It was Bumgarner's third career homer and only the second grand slam by a Giants pitcher since the team relocated from New York to San Francisco in 1958.
"They don't really expect a whole lot out of pitchers so we get to go up there with no pressure," Bumgarner said. "It's easier to hit that way, but at the same time it's the hardest thing to do in sports."
Shawn Estes is the only other San Francisco pitcher to hit a grand slam. He did it against Montreal on May 24, 2000, in an 18-0 blowout of the Expos.
Bumgarner's homer came with the Giants trailing 3-1, and his five RBIs wound up being the difference in the game.
"That's quite a night," San Francisco manager Bruce Bochy said. "He wasn't quite as sharp (on the mound) but he found a way to win the game and he did it with his bat. Good for him."
Brandon Crawford added two hits and scored twice for the Giants.
Carlos Gonzalez homered for Colorado, which played short-handed after injuries sidelined two of its top hitters.
"Any time you're facing Bumgarner you know it's going to be a tough at-bat," Gonzalez said. "He threw me a 3-2 curveball and there's no way I'm sitting on it. I just reacted ... but things changed after that."
Bumgarner (2-0) struck out seven and walked two in six erratic innings. He allowed nine hits and appeared headed for a short night until the Giants scored five runs in the fourth.
His home run came on a day when both teams were minus key players.
Troy Tulowitzki's sore quadriceps kept him out of Colorado's starting lineup. He pinch-hit in the ninth and struck out looking against closer Sergio Romo to end the game.
The Rockies also were without catcher Wilin Rosario, who hurt his left wrist while sliding during Wednesday's 8-1 win against the Chicago White Sox.
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