Puljujarvi underwent hip surgery in New York City on Monday, John Shannon of Sportsnet reports.
Puljujarvi will undergo surgery on his hip and will miss the remainder of the 2018-19 campaign, Jason Gregor of OilersNation.com reports.
Puljujarvi (lower body) is believed to be long-term and surgery may be on the table, Mark Spector of Sportsnet.ca reports.
Puljujarvi (undisclosed) was placed on injured reserve Monday.
Puljujarvi's name is being tossed around as a potential trade piece for Edmonton, Daniel Nugent-Bowman of The Athletic reports.
Puljujarvi has recorded two goals on 13 shots this preseason.
Puljujarvi finished the 2017-18 campaign with 20 points in 65 games.
Puljujarvi collected two points in Edmonton's 7-3 blowout victory over Carolina on Tuesday.
Puljujarvi collected an assist in Sunday's 6-5 win over the Ducks.
Puljujarvi had the first three-point game of his NHL career Saturday against Vancouver, netting his ninth goal of the season and adding two assists in a commanding victory.