During this season, Allen started 11 of 12 games at left tackle, scored the highest offensive grade (92.8 percent) on the line, did not allow a single sack in drop-back pass situations, and helped UH achieve its best rushing average (168.2) in 22 years.

Allen started all 14 games in 2015 at left tackle after making an off-season switch from guard.

[4] Allen was traded to the New York Guardians on January 17, 2020, for David Rivers and Brian Wallace.

[6][7] He played in 63 games over four seasons or the Argonauts where he was named to the All-CFL team twice and won the CFL's Most Outstanding Offensive Lineman Award in 2023.

[8] On January 6, 2025, Allen was traded to the BC Lions in exchange for Ryder Varga and a second-round pick in the 2026 CFL draft.