Captain Cal Foote scored at 3:01 of the extra period to push the Rockets to a 4-3 win Friday night over the hometown Medicine Hat Tigers.
The Rockets edged the Lethbridge Hurricanes in OT 4-3 on Wednesday night.
Leif Mattson, Kole Lind and Conner Bruggen-Cate also scored for the Rockets who overcame a 3-1 deficit with a pair of third period goals.
Brodan Salmond stopped 29 shots for his fifth win of the season.
The Rockets will close out their three-game Alberta tour Saturday night in Red Deer.
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