The Atlas Lions, backed by home support, remain the favourites to lift the trophy as this is currently their best run in AFCON since 2004.
Mazraoui has been a regular, so far, and is expected to start in the 20:00 GMT kick-off. He has been named in each of the line-ups by coach Walid Regragui and played for 408 of the 450 minutes.
Before the finals, he told us: “This is the moment to really, really shine and everybody expects us to do some great things there.”
Azzedine Ounah is an injury doubt, while Nigeria are definitely without skipper Wilfred Ndidi, who is suspended.
