M-1 Challenge 57 – Clash of Champions is set for May 2, Orenburg city, Russia. The event will be headlined by superfight of M-1 Global champions in heavyweight and lightheavyweigh divisions – Marcin Tybura and Stephan Pütz and M-1 lightweight champion Maxim Divnich vs. Mansour Barnaoui in co-main event of the evening.

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