Marcin Held meets Callan Potter in promotional debut at ACB 88  

Marcin Held will be going behind enemy lines for his ACB debut when he meets Australian standout, Callan Potter, in Brisbane at ACB 88 on Jun. 16.ACB confirmed the lightweight bout with MMA Fighting on Friday.Held (23-7-0) signed with ACB after banking his first UFC win in four trips to the Octagon, a decision over debutant Nasrat Haqparast at UFC Gdansk. Since then, the jiu-jitsu ace took two victories at grappling event, Quintet 1. To begin his UFC stint, Held took three consecutive losses ag