Watch: Phillies' Bryce Harper rips walk-off grand slam vs. Cubs
Harper hits grand slam in 9th, Phillies rally past Cubs 7-5
Bryce Harper's grand slam ends Phillies' walk-off win over Cubs
Bryce Harper hits walk-off grand slam
Harper homers in third straight game to lead Phillies to win
PICTURES: Bryce Harper's walk-off grand slam stuns Cubs – The
Bryce Harper blasts Phillies to sweep of Cubs with walk-off grand
Bryce Harper's Walkoff Grand Slam and Clutch Play
Bryce Harper blasts walk-off grand slam as Phillies sweep Cubs