Murphy hits 2 HRs, including walk-off winner

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Rockies No. 8 prospect shows off power in New Britain's win

Top Prospects: Murphy, COL 1:05 2015 MLB.com Top Prospects: Built like a tank, Tom Murphy might be the most physically impressive player in the Rockies' system Rockies No. 8 prospect Tom Murphy had not hit a home run in 16 games before Tuesday night's tilt between Double-A New Britain and Harrisburg. But the catcher launched two in Connecticut, including a walk-off blast to give the Rock Cats an 8-7 win.

Murphy went 4-for-5 and totaled six RBIs on the night. His two-run shot in the fifth inning made it 6-3. Then, down 7-6 with a runner on in the bottom of the 10th, he lifted a long fly ball to left center that…