[3] He returned to McMaster for his final year of playing eligibility and was re-signed by the Blue Bombers during the following off-season on December 12, 2017.
He then dressed in his first professional football game in the Banjo Bowl on September 8, 2018 against the Saskatchewan Roughriders.
[5] In total, he dressed in two games in 2018 while also playing in that year's regular season finale.
[5] Speller competed for a starting position in the interior line as a guard during the 2019 season.
[7] As a pending free agent in 2021, Speller's playing rights were traded to the Toronto Argonauts on January 27, 2021.