Devils trailed by a goal with a power-play opportunity to start the third, fall 4-1
Devils and Mavericks meet Friday and Saturday night in Mankato
Line of Walker-Sanchez-Koumontzis combines for 10 points
Coming off a historic campaign, the Devils were dealt their first blow of the new season.
Sun Devils aim to carry magic over from historic 2018-19 season
2019-20 season starts Saturday at Oceanside Ice Arena