Inside linebacker who makes up for his lack of size with good play strength and non-stop energy. Mascarenas-Arnold is instinctive but patient in allowing plays to develop without overrunning them. His hustle will get him to a lot of plays but inconsistent pursuit angles and missed tackles are part of the package. He has the tools to cover on third downs but needs to play with better discipline in that area. His special-teams potential, production and field demeanor give him a chance to compete for a roster spot.
