Atkinson joins the Americans after playing the last three seasons with the Atlanta Gladiators. He had 14 points (4g-10a) in 32 games last season with Atlanta.
The resident of Spruce Grove, Alberta had his best season as a professional two seasons ago with the Gladiators, tallying 50 points (10g-40a) in 66 games. He also played in two games in the American Hockey League with Chicago.
Atkinson played his college hockey at the University of Alaska-Fairbanks, where he was a member of the WCHA All-Academic Team in 2013-14.