Unseen Footage of Marvelous Marvin Hagler Training for the fight against John Mugabi

We open up the vault to bring you some unseen footage of #MarvinHalger training and getting ready for his fight against #JohnMugabi from 1986 Try ESPN For Free: Subscribe to our YouTube channel to get notified about the latest highlights, free full fights, and fight week content as it’s posted. Follow Top Rank on Twitter: Follow Top Rank on Instagram: Like Top Rank on Facebook: