Trailing 4-1 into the third, No. 2 Minnesota (20-3-3, 12-3-2-1 WCHA) chipped away at the deficit on goals by Sarah Potomak, Grace Zumwinkle (her second of the game) and Amy Potomak, with just over five minutes in the period.
Wisconsin (22-2-1, 12-2-1) fired three quick shots in the extra period, and the third — by Sophie Shirley — went in at 52 seconds.
Abby Roque's hat trick for the Badgers put the Gophers in that big hole. She had one goal in the first, two in the second.
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