Florida Panthers winger Anthony Duclair suffered an Achilles tendon injury during offseason training, according to Sportsnet's Elliotte Friedman.
There's no definitive timeline, but the ailment is reportedly expected to require a lengthy recovery.
Duclair is coming off a season in which he set career highs in goals (31), assists (27), and points (58).
The 26-year-old has two years left on his contract with a cap hit of $3 million.