Ethan Del Mastro is still waiting on a new deal as a restricted free agent, but the Blackhawks clearly haven’t shut the door on him. A qualifying offer is already in place, and the expectation is that a re-signing will come soon enough. When it does, the real question becomes simple: can he force his way into Chicago’s defense picture for 2026-27?
The Blackhawks’ top six on the blue line looks pretty settled right now. Alex Vlasic, Bowen Byram, Sam Rinzel, Artyom Levshunov, Ian Cole, and Wyatt Kaiser appear to be the group. That leaves one opening, and that’s where Del Mastro’s path gets interesting.
The 23-year-old has the kind of build Chicago likes on defense at 6'4"; 204 pounds, and he brings a physical, defensive edge the organization values. Drafted by the Blackhawks in 2021, he spent most of last season with the Rockford IceHogs, where he posted 18 points in 45 games.
He also got NHL time with Chicago early in the year when Alex Vlasic missed the first game after getting cut by a skate in training camp. Del Mastro appeared in 19 games for the Blackhawks and had one point, then saw more regular NHL action after the trade deadline in March.
He’s been hovering around the edge of the roster for a while now. Last season, he was under serious consideration, but head coach Jeff Blashill was reluctant to sit the other left defensemen, which pushed Del Mastro back to Rockford for more of the year.
That could change next season, especially if he has a strong training camp. The Blackhawks used 11 forwards and 7 defensemen a lot last season, and while they won’t need to lean on that setup, it still gives Del Mastro a real shot to win a job. He’ll likely be fighting Kevin Korchinski, who is also still waiting to be re-signed as an RFA.
If Del Mastro does grab that seventh-defenseman role, there’s a clear precedent for how quickly things can change. The comparison here is Louis Crevier, who looked like a depth option last season, got his chance, and turned into one of the best stories of the year while locking down a spot on the blue line. Crevier raised his value so much that the Buffalo Sabres got him in exchange for Byram and the fourth overall pick.
Blashill had praise for Del Mastro back in March, saying, "He's done a good job... We'll play around with seven and six (defensemen).
Seven (defensemen)- there's a positive to it, but there's also... sometimes you don't get a regular shift. Sometimes you don't get a regular shift with a partner, so it can be a little bit tough at times for those guys that get put in those spots.
But he's done a solid job. He's just gotta keep growing...
He's got to be a guy, as I told him, when he went down, that doesn't give up many minuses, is hard, and big and strong, which he is, and moves the puck well. And if you do that, you play a long time in the league.
Any guys that can break the puck out and defend really well, play a lot, and they're really important. So hopefully he can continue to build into that.”
That kind of backing matters. The Blackhawks believe Del Mastro can bring something useful, and his ability to play his off side only adds to the appeal.
Once he signs, he’ll get another crack at proving he can be more than a call-up. The roster picture can still shift once camp opens, but if he shows up and makes a strong impression, he gives himself a real chance to start on the right foot.
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