Bryce Harper crushed a walk-off grand slam to beat Cubs
Bryce Harper hitting grand slams compilation
Bryce Harper's Moonshot Walk Off Grand Slam : r/mlb
Bryce Harper's grand slam ends Phillies' walk-off win over Cubs
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Watch: Phillies' Bryce Harper rips walk-off grand slam vs. Cubs
Watch: Phillies' Bryce Harper rips walk-off grand slam vs. Cubs