Double threat: A gets win, starts rally vs. A's

Statcast measures the exit velocity and projected distance of Madison Bumgarner's double, plus his baserunning metricsOAKLAND -- After watching the A's offense surge in the first three games of the series, the Giants took their turn Thursday at the Coliseum, using a six-run third inning to bulldoze their way to a 12-6 victory and avoid a sweep in the Bay Bridge Series.

The rally was spurred by an unlikely source: pitcher Madison Bumgarner. The Giants became the first team to forgo a designated hitter and hit with a pitcher since the White Sox in 1976, and Bumgarner didn't disappoint, rocketing a double to center field in his first at-bat to open the third inning. Six straight batters reached…