Before punting at FSU, Mastromanno played Australian rules football and later attended a ProKick Australia academy that helped him transition to American football. As a Melbourne native, Mastromanno would be eligible for the NFL's International Player Pathway program. He is projected as a late-round or undrafted free agent prospect.

Defensive line: The Broncos have long-term decisions to make with Zach Allen and John Franklin-Myers. Those two starting ends, plus defensive tackle Malcolm Roach, are all entering the final seasons of their respective contracts in 2025. The Broncos need more young talent up front.