Eric “Butterbean” Esch transitioned to professional boxing in 1994 following a successful stint on the Toughman Contest scene and went on to capture the World Athletic Association (WAA) heavyweight and IBA super heavyweight championships. Beginning in 2003, he began fighting regularly as a kickboxer and mixed martial artist, most notably in K-1 and the Pride Fighting Championships. Butterbean's combined fight record stands at 97–24–5 with 67 knockouts and 10 submissions.

Everything is sewn onto this custom on-field style jersey. Hand-signed and inscribed in silver paint pen by Eric "Butterbean" Esch. The lot/autograph includes an official James Spence Authentication (JSA) hologram and matching COA for authentication purposes. Signing was witnessed by JSA.