In August 2020, Marquis made a move to League One side Portsmouth on a permanent deal. However, after a brief spell at Portsmouth, he joined Bristol Rovers on loan in January 2021 before making the move permanent in the summer of the same year.
In August 2020, Marquis made a move to League One side Portsmouth on a permanent deal. However, after a brief spell at Portsmouth, he joined Bristol Rovers on loan in January 2021 before making the move permanent in the summer of the same year.