Gurianov was a restricted free agent and played a crucial role in the Stars' run to the Stanley Cup Final this summer. He finished second on the team with nine postseason goals, totaling 17 points through 27 games.
The 23-year-old also paced the Stars in regular-season tallies, netting 20 -including seven on the power play - across 64 contests.
Gurianov posted gaudy possession numbers in 2019-20. The 6-foot-3 winger had a Corsi For of 55.99%, and the Stars owned an expected goals for percentage of 59.23 with him on the ice at five-on-five, according to Natural Stat Trick.
Dallas selected Gurianov with the 12th overall pick in the 2015 NHL Draft.