KANSAS CITY, Mo. (AP) -- Madison Bumgarner took a two-hit shutout into the seventh inning, Hunter Pence hit a two-run homer off James Shields in a three-run first and the San Francisco Giants beat the Kansas City Royals 7-1 in Tuesday night's World Series opener.

Hunter Pence, San Francisco Giants
Hunter Pence of the San Francisco Giants hits a two run home run at Kauffman Stadium in Kansas City. (Rob Carr, Getty Images)
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In a matchup of streaking teams, the Giants won their seventh Series game in a row dating to 2010 and ended a perfect postseason for the Royals, who had been 8-0. San Francisco also ended the Royals' 11-game postseason winning streak dating to their 1985 title, one shy of the record set by the Yankees on two occasions.

Bumgarner extended his Series scoreless streak to 21 innings before Salvador Perez's seventh-inning homer, which also ended Bumgarner's record streak of 32 2-3 scoreless postseason road innings.

Shields allowed five runs and seven hits and needed 70 pitches to get nine outs.

The Game 1 winner has captured 15 of the last 17 titles.

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