The Toronto Maple Leafs' decision to trade forward Matthew Knies to the Columbus Blue Jackets was driven primarily by concerns about his long-term health, Elliotte Friedman reported Tuesday.

Toronto sent Knies, Steven Lorentz, Emil Andrae and a 2027 second-round pick to Columbus for Kirill Marchenko, Elvis Merzlikins and Miles Wood.

Friedman reported that the Maple Leafs' concerns about Knies were not related to his character or relationship with the organization. The only negative information he had heard involved the number of injuries Knies had experienced in a relatively short period.

Friedman touched on this in his written 32 Thoughts column ahead of the 2026-27 season:

“A lot of people are asking why Knies was in so many rumours. Fair question. A big reason, I think, is he was one of the only players they could trade without asking permission. The only negative I ever heard about him was concern about the number of injuries he'd suffered in such a short time. That's it. You have to give quality to get quality.”

Knies has missed only nine games over the past three seasons, but his injury history reportedly went beyond his number of absences. He played through a knee issue throughout last season, while still racking up a career-best 66 points in 79 games. At 6-foot-4 and 230 pounds, concerns about the physical demands on his knees were part of Toronto's evaluation.

The Leafs also had to contend with a considerable decline in his speed last season, while his skating appeared to remain an issue during the preseason. That was potentially important because head coach Jim Hiller was implementing a more up-tempo, stop-start system built around speed and quick transitions.

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Toronto therefore appears to have viewed Knies as a player whose long-term ceiling was valuable but whose ability to remain healthy was uncertain.

Marchenko, whom the Maple Leafs signed to a six-year, $75 million extension carrying a $12.5 million annual cap hit, gives Toronto a proven offensive threat after leading Columbus with 27 goals and recording 67 points last season. However, Knies also produced at a similar level, while bringing a physical, net-front element to the Leafs' lineup.

The trade was part of a complicated market for Marchenko. Montreal had pursued him throughout the summer and was reportedly the most aggressive suitor, while the Boston Bruins, New York Islanders, Seattle Kraken and Tampa Bay Lightning were among the other teams involved.

The delay in announcing the trade was reportedly connected to Toronto's salary-cap situation. Andrae, who carries a $1.55 million annual cap hit in 2027-28, was reportedly included because the Maple Leafs needed additional room to accommodate Marchenko's contract.

For Toronto, the trade ultimately came down to betting on Marchenko's offensive upside while moving Knies amid concerns about his health and future availability.