Cirelli, 18, played in 62 games with the Oshawa Generals of the Ontario Hockey League this season, recording 21 goals and 59 points to go along with 27 penalty minutes. He ranked first on the team for assists (38) and points. The Woodbridge, Ontario native also led all Oshawa skaters for power-play goals (10) and power-play points (16). Cirelli made his pro debut with the Syracuse Crunch on April 15, 2016 in a match-up against the Utica Comets.

The 6-foot, 171-pound forward has skated in 130 career OHL games over two seasons with the Generals, registering 34 goals and 95 points to go along with 49 penalty minutes. During his rookie campaign in 2014-15, Cirelli led all Oshawa rookies for points, also ranking ninth in the OHL in that category.

Cirelli was selected by the Lightning in the third round, 75th overall, at the 2015 NHL Draft.