CALGARY, Alberta (AP) — Connor McDavid scored at 5:03 of overtime and the Edmonton Oilers defeated the Calgary Flames 5-4 to win the second-round playoff series in five games and advance to the Western Conference finals. Zach Hyman had a goal and two assists, and Darnell Nurse, Jesse Puljujarvi and Evan Bouchard also scored for the Oilers. Mike Smith made 32 saves as Edmonton claimed the first postseason Battle of Alberta in 31 years. Mikael Backlund had a goal and an assist, and Johnny Gaudreau, Calle Jarnkrok and Andrew Mangiapane also scored for Calgary. Blake Coleman added two assists and Jacob Markstrom made 30 saves as the Flames dropped to 0-10 when trailing a playoff series 3-1.

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