[2] In July 2020, Newfoundland Growlers' majority owner Dean MacDonald (through his group Deacon Sports and Entertainment) came to an agreement with the city to place an ECHL team in Colisée Vidéotron, pending league approval, for the 2021–22 season.

[4] Subsequently, on January 12, 2021, the team was approved by the ECHL Board of Governors to join the league for the 2021–22 season.

[7] In 2024, it was reported that Deacon Sports and Entertainment (DSE) had been experiencing financial difficulties, and owed the city of Trois-Rivières nearly CA$1 million in arena back rent.

On April 2, 2024, the Growlers, likewise owned by DSE, ceased operations effective immediately.

[9] On April 8, 2024, league officials approved the purchase of the Lions by American businessman Jeff Dickerson via his company Spire Sports + Entertainment (SS+E).