[2] Khari Jones became the team's interim head coach and this was the third season under general manager, Kavis Reed.

[3][4] Shortly after their fourth game of the season, Reed was dismissed by the Alouettes on July 14, 2019 by team president and CEO Patrick Boivin.

[5] His position is being filled by Assistant General Manager of Player Personnel, Joe Mack, with other duties shared by Jones and Director of Football Operations, Patrick Donovan.

[9] Two ownership groups publicly expressed interest in buying the team: Eric Lapointe, a former Alouettes running back;[10] and Clifford Starke, a 35-year-old medical cannabis entrepreneur.

[23] [24][25] In the late evening of August 9 at 9:06 pm EDT, a weather delay was declared at Percival Molson Memorial Stadium due to an approaching thunderstorm with intense lightning; the Roughriders were leading the Alouettes 17–10 with 2:41 left in the 3rd quarter.

[26][27] In week 11, the Alouettes were the "away" team as they played the Toronto Argonauts in the fourth regular season installment of Touchdown Atlantic in Moncton, New Brunswick.