 On February 19, 2019, Domingue extended his win streak to 11-games in a 5-2 win over the Philadelphia Flyers at Wells Fargo Center.Domingue's streak came to an end against the Boston Bruins on February 28, 2019.On September 20, 2019, Domingue was placed on waivers by the Lightning.He cleared the following day, and was assigned to the Syracuse Crunch to begin the 2019–20 season.