Cirelli was selected by the Tampa Bay Lightning in the third round (No. 72) of the 2015 NHL Draft after he had 36 points (13 goals, 23 assists) for Oshawa of the Ontario Hockey League. He scored twice including in overtime in the 2015 Memorial Cup Final against Kelowna of the Western Hockey League.
On May 19, 2016, Cirelli signed a three-year, entry-level contract with the Lightning.
Cirelli was selected by the Tampa Bay Lightning in the third round (No. 72) of the 2015 NHL Draft after he had 36 points (13 goals, 23 assists) for Oshawa of the Ontario Hockey League. He scored twice including in overtime in the 2015 Memorial Cup Final against Kelowna of the Western Hockey League.
On May 19, 2016, Cirelli signed a three-year, entry-level contract with the Lightning.
In 2016-17, he had 34 points (13 goals, 21 assists) in 26 games for Oshawa before he was traded to Erie on Jan. 9, 2017. He had 30 points (12 goals, 18 assists) in 25 games with Erie, which advanced to the 2017 Memorial Cup Final, losing 4-3 to Windsor of the OHL.
He began the 2017-18 season with Syracuse of the American Hockey League and had 37 points (14 goals, 23 assists) in 51 games before being recalled on Mar. 1, 2018. He made his NHL debut that night against the Dallas Stars and scored his first goal and assist in a 5-4 overtime win.
In the 2018 Stanley Cup Playoffs, Cirelli had three points (two goals, one assist) in 17 games.
