TORONTO—Gregg Zaun hit a game-ending grand slam in the 13th inning and the Toronto Blue Jays beat the Tampa Bay Rays 7-4 on Saturday to extend their season-high winning streak to seven.

Lyle Overbay added two solo homers for Toronto, which matched its longest winning streak since Sept. 22-29, 2002.

The AL East-leading Rays, who entered with a 2 1/2-game advantage over Boston, have lost four of five. The Red Sox carried a four-game winning streak into their matchup with Texas on Saturday night.

Tampa Bay tied it with three runs in the ninth and Dioner Navarro...

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