Johnathan Kovacevic’s road back to the Devils didn’t really begin when he stepped back onto the ice. It started in a hospital chair on May 8, 2025, after a knee surgery he barely remembers in detail but will never forget in terms of what it cost him.
The veteran defenseman tore his ACL in the first shift of Game 3 of the Stanley Cup Playoffs against the Carolina Hurricanes, then somehow still finished the opening period before New Jersey’s medical staff shut things down. By the time he got to the intermission, the answer was already clear.
“I came in for the intermission, and they checked it out,” he said. “They told me, ‘We don't want to send you back out; it is the ACL.’”
What hit him next was the reality of the recovery. At first, he assumed this would be the kind of injury that kept him out for a couple of months and no more. Then he looked it up that night and found out otherwise.
“Most injuries are two to three months, so that is what I thought,” Kovacevic said. “It (wasn’t ideal) but I thought next season I would be fine.
I went to bed that night and searched how long a recovery is for an ACL, and I was like, what? That scared me a little bit.”
From there, he did what players do when they’re staring at a long rehab: he started gathering information. Kovacevic contacted medical professionals he trusted to get a clearer picture of what the process would look like. What he learned was that ACL recoveries can take a while, but they’re often more straightforward than a lot of other hockey injuries.
The rehab itself was a grind. Kovacevic, 29, eventually got back on the ice and moved through the stages one by one. Before he was ready for full practices, he was a regular sight skating with other injured players, including Marc McLaughlin, as he worked his way toward game readiness.
“The whole recovery was obviously a challenge,” Kovacevic shared. “I had never been through a surgery like that before.
It moves quickly at the beginning, but then slowly the longer it goes. The improvements aren't as noticeable the farther out you get from surgery.
We have a great staff here that helped me, but it was a challenge.”
He finally made his 2025-26 season debut on Jan. 11, 2026, against the Winnipeg Jets. In that game, he logged 18:14 of ice time and picked up an assist. But getting back in the lineup and feeling like himself again were two very different things.
“I kind of thought after those eight months I would come right back and be myself again,” he said. “It is not the time off that makes you rusty.
It is trusting your knee, and trusting your leg. You have to develop your speed again, and it is important to trust your edges, your gap, and your space.
That was hard for the first month or so.”
Even with those early struggles, just being back in games meant something. Still, Kovacevic knew he didn’t want to simply return - he wanted to return at full level.
“You are just happy to be playing again, but then it comes to a point where you don't want to just be playing; you want to be playing at your best,” he said. “Playing at your 100 percent, and it was tough to be giving that right at the beginning.”
That breakthrough finally came in Washington, D.C., against the Capitals, on what looked like a routine defensive sequence. Nothing flashy.
Nothing that would jump off a highlight reel. But for Kovacevic, it was the moment everything snapped back into place.
“For some reason, that time it just clicked,” he said with a smile. “I trusted my feet, and once I got back to the bench I thought to myself, I am back. It was such a small defensive play, but that play is the one that sticks in my head where I felt myself again.”
Kovacevic played 34 games last season, and while that wasn’t enough time to fully get back to the form he showed alongside Jonas Siegenthaler the year before, he still sees value in the experience. In his view, the injury and the rehab taught him plenty about the mental side of the game.
"Yeah, there were some tough times at the beginning, but I'm grateful for it because it taught me a lot," he said. "I learned a lot about having the right mindset and the psychology that goes into it."
Now he’s heading into the second season of the five-year, $20 million deal he signed on Mar. 7, 2025. With a full offseason ahead, there’s reason to think Kovacevic can keep building toward the level that made him and Siegenthaler one of the NHL’s top shutdown pairings.
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