What happened: Klingberg said his body could no longer meet hockey's demands after his latest operation failed to deliver the recovery he sought. He described relying on injections, anti-inflammatory medication and painkillers to continue playing.
Why it matters: He had been an unrestricted free agent this summer, leaving the market as training camps approached for the 2026-27 season.
By the numbers: Klingberg finished with 700 NHL appearances across six franchises. [Sveriges Radio](https://www.sverigesradio.se/artikel/john-klingberg-avslutar-karriaren)
What to watch: His SVT assignments will include national-team coverage, with the Junior World Cup and Euro Hockey Tour on his schedule.