Following training camp in 2017, Rush made the team's active roster and made his professional debut on July 1, 2017, against the Saskatchewan Roughriders.[7] He played in all 18 regular season games where he had six special teams tackles. In 2018, he played in 13 regular season games and had one defensive tackle.[7] In 2019, he again played in all 18 regular season games and recorded seven special teams tackles.[7] He also played in his first Grey Cup game where the Blue Bombers defeated the Hamilton Tiger-Cats in the 107th Grey Cup. He did not play in 2020 due to the cancellation of the 2020 CFL season and became a free agent upon the expiry of his contract on February 9, 2021.[8]
Personal life
Rush used his COVID-19 vaccination to raise awareness for LGBT+ causes, wearing a full-length bridal gown and fully-styled hair and accessories for the occasion.[9]