Thomas Hearns
Middleweight champion Marvelous Marvin Hagler boxed five times for Peltz at the Spectrum. Other out-of-town fighters who boxed for Peltz at the Spectrum included: Marvin Johnson, Ernie Terrell, Earnie Shavers, Michael Spinks, Emile Griffith, Thomas Hearns, Roberto Durán, Alfredo Escalera, Jesse Burnett, Yaqui López, Billy Douglas, Eddie Mustafa Muhammad and Bobby Chacon.