Bryce Harper hits towering walk-off grand slam as Phillies sweep Cubs: Watch
Phillies' Bryce Harper's insane walk-off HR against the Cubs!
Bryce Harper's walk-off grand slam was a perfect baseball moment
Bryce Harper hits walk-off grand slam
Fan video: Watch Bryce Harper's walk-off grand slam as seen from the right field stands – NBC Sports Philadelphia
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Harper's walk-off grand slam, 08/15/2019
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Harper's walk-off grand slam, 08/15/2019