Stanley Cup Playoffs first round Game 1: Islanders vs. Penguins

The Islanders celebrate a winning overtime goal by Kyle Palmieri in Game 1 of an NHL Stanley Cup first-round playoff series against the Penguins in Pittsburgh on Sunday.

The Penguins' John Marino skates to the locker room as the Islanders celebrate a game-winning overtime goal by Kyle Palmieri in Game 1 of an NHL Stanley Cup first-round playoff series in Pittsburgh, Sunday, May 16, 2021.

The Islanders' Kyle Palmieri, center, celebrates with Nick Leddy and Oliver Wahlstrom after putting a shot over Penguins goaltender Tristan Jarry for the game-winning goal in overtime in Game 1 of an NHL Stanley Cup first-round playoff series in Pittsburgh, Sunday, May 16, 2021.

Kasperi Kapanen #42 of the Pittsburgh Penguins celebrates his goal during the third period in Game One of the First Round of the 2021 Stanley Cup Playoffs at PPG PAINTS Arena against the New York Islanders on May 16, 2021 in Pittsburgh, Pennsylvania.

Brock Nelson #29 of the New York Islanders celebrates with his team after scoring a goal during the third period in Game One of the First Round of the 2021 Stanley Cup Playoffs against the Pittsburgh Penguins at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

PITTSBURGH, PENNSYLVANIA - MAY 16: Brock Nelson #29 of the New York Islanders celebrates with his team after scoring a goal during the third period in Game One of the First Round of the 2021 Stanley Cup Playoffs against the Pittsburgh Penguins at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania. (Photo by Emilee Chinn/Getty Images)

Jean-Gabriel Pageau #44 celebrates his goal during the third period with Matt Martin #17 of the New York Islanders in Game One of the First Round of the 2021 Stanley Cup Playoffs against the Pittsburgh Penguins at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

Jean-Gabriel Pageau #44 celebrates his goal during the third period with Matt Martin #17 of the New York Islanders in Game One of the First Round of the 2021 Stanley Cup Playoffs against the Pittsburgh Penguins at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

Pittsburgh Penguins' Sidney Crosby (87) returns to the bench after scoring against the New York Islanders during the second period in Game 1 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Sunday, May 16, 2021.

New York Islanders' Scott Mayfield, right, checks Pittsburgh Penguins' Sidney Crosby (87) off his skates during the second period in Game 1 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Sunday, May 16, 2021.

Pittsburgh Penguins' Sidney Crosby, center, is hugged by Brian Dumoulin, right, after scoring during the second period in Game 1 of an NHL hockey Stanley Cup first-round playoff series against the New York Islanders in Pittsburgh, Sunday, May 16, 2021.

The Pittsburgh Penguins celebrate a goal by Frederick Gaudreau #11 in the first period against the New York Islanders in Game One of the First Round of the 2021 Stanley Cup Playoffs at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

Oliver Wahlstrom #26 celebrates with Kyle Palmieri #21 of the New York Islanders after Palmieri's goal in the first period in Game One of the First Round of the 2021 Stanley Cup Playoffs at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

Ilya Sorokin #30 of the New York Islanders eyes the net as a goal is scored by Sidney Crosby #87 of the Pittsburgh Penguins during the second period in Game One of the First Round of the 2021 Stanley Cup Playoffs at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

Frederick Gaudreau #11 of the Pittsburgh Penguins scores a goal in the first period against the New York Islanders in Game One of the First Round of the 2021 Stanley Cup Playoffs at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

Andy Greene #4 of the New York Islanders is called for interference against Jeff Carter #77 of the Pittsburgh Penguins during the second period in Game One of the First Round of the 2021 Stanley Cup Playoffs at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

Jake Guentzel #59 celebrates a goal by Sidney Crosby #87 of the Pittsburgh Penguins during the second period in Game One of the First Round of the 2021 Stanley Cup Playoffs against the New York Islanders at PPG PAINTS Arena on May 16, 2021 in Pittsburgh, Pennsylvania.

The Islanders' Kyle Palmieri returns to the bench after scoring during the first period in Game 1 of an NHL Stanley Cup first-round playoff series against the Penguins in Pittsburgh on Sunday, May 16, 2021..

Pittsburgh Penguins' Sidney Crosby, center, cannot get his stick on the puck in front of New York Islanders goaltender Ilya Sorokin, right, with Islanders' Ryan Pulock (6) defending during the first period of Game 1 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Sunday, May 16, 2021.

Pittsburgh Penguins' Brandon Tanev, left, checks New York Islanders' Noah Dobson off his skates during the first period in Game 1 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Sunday, May 16, 2021.

Pittsburgh Penguins' Frederick Gaudreau (11) celebrates his goal with Cody Ceci, left, and Jason Zucker during the first period of Game 1 of an NHL hockey Stanley Cup first-round playoff series against the New York Islanders in Pittsburgh, Sunday, May 16, 2021.

New York Islanders' Kyle Palmieri (21) celebrates with Jean-Gabriel Pageau (44) after scoring during the first period in Game 1 of an NHL hockey Stanley Cup first-round playoff series against the Pittsburgh Penguins in Pittsburgh, Sunday, May 16, 2021.

Pittsburgh Penguins' Frederick Gaudreau (11) puts a shot over New York Islanders goaltender Ilya Sorokin (30) for a goal during the first period of Game 1 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Sunday, May 16, 2021.