The Islanders have placed Travis Hamonic on IR (retroactive to Nov. 5) and recalled Adam Pelech from Bridgeport, the team announced.
Hamonic is out four-to-six weeks due to an upper-body injury sustained in Saturday's overtime loss to the Oilers, according to Newsday's Arthur Stape.
He left Saturday's game against the Oilers after blocking a shot with his arm in the first period and did not return.
After blocking the shot from Oilers forward Patrick Maroon at 12:13 of the first period, Hamonic grabbed his arm and skated off the ice, missing the rest of the game.
Hamonic has two goals and three assists in 12 games this season as a top-pairing defenseman with Nick Leddy.
Andy Graziano, SNY.TV Twitter
This is a huge blow for the Islanders, who were struggling to begin with, as they now will have to deal without, arguably, their top all-around defenseman. The hits just keep on coming, as this was a freak play where an elevated wrist shot bounces off the D-man, heads right to Leon Draisaitl, who puts it into the half open net.
In a text late Saturday night, SNY.tv was told Hamonic is "out a while," leading to the belief that it is indeed a broken bone, which could keep him on the shelf for four-to-six weeks.
A message obviously got to Bridgeport head coach Brent Thompson immediately, which is never a good sign, as he sat Pelech for the entire third period of the Sound Tigers' 7-1 loss to the Wilkes-Barre/Scranton Penguins.
Pelech, who had a fantastic training camp, was recalled Monday and will join the team for Monday night's game against the Vancouver Canucks in Brooklyn.