Thomas Harley, D: The 21-year-old had two assists in six regular-season games last season, but got more of an opportunity in the playoffs, when he had nine points (one goal, eight assists) in 19 games. The No. 18 pick in the 2019 NHL Draft, Harley brings size (6-foot-3, 205 pounds) to the Stars defense and should be ready to take the next step and become a regular. … Mavrik Bourque, F:The 21-year-old had 47 points (20 goals, 27 assists) in 70 games with Texas of the American Hockey League. The No. 30 pick in the 2020 NHL Draft, Bourque played wing last season but is a true center. He has a shot to make the opening night roster, but even if he doesn't, will likely be in the NHL this season. … Video: Matt Duchene signs with the Stars, F:A second-round pick (No. 47) in the 2021 NHL Draft, Stankoven had 97 points (34 goals, 63 assists) in 48 games with Kamloops of the Western Hockey League and 11 points (three goals, eight assists) in seven games for Canada to help them win gold at the 2023 IIHF World Junior Championship. The 20-year-old may not start the season in Dallas but could end up there later in the season.