Klingberg signed a one-year, $4.15 million contract with the Maple Leafs on July 1, 2023, after playing the 2022-23 season with the Anaheim Ducks and Minnesota Wild. The defenseman played 14 games with Toronto — scoring four assists and averaging 20:33 of ice time — before undergoing hip surgery.

The Edmonton Oilers and Dallas Stars joined Toronto as contenders for Klingberg, who is recovering from hip resurfacing surgery he underwent in late 2023. He last signed a one-year, $4.15 million deal with Toronto in 2023 after a season split between the Anaheim Ducks and Minnesota Wild.

Someone in the Leafs organization really wants to believe in a good comeback story. Matt Murray is presently living out his attempt to return to the NHL, with some success at the AHL level that hasn’t translated to NHL success,

Klingberg hasn't played an NHL game since being in the lineup for Toronto vs. the Vancouver Canucks on Nov. 11, 2023.

The Edmonton Oilers have had a strong 2024-25 campaign and seem poised to make a return to the postseason. They made some strong moves in the offseason to make up for the losses of Dylan Holloway and Philip Broberg by bringing in Vasily Podkolzin and Ty Emberson,

John Klingberg is closing in on an NHL return, and the Maple Leafs, Senators and Oilers are all reportedly interested in the veteran D-man.