Unfinished Business was an exciting MMA event hosted by 4 Champs Promotions on September 25, 2021, at the Civic Center in Hammond, Indiana. This highly anticipated event brought together top fighters and passionate fans for an unforgettable night of mixed martial arts action. Although the event was ultimately cancelled, the dedication of 4 Champs Promotions to delivering thrilling MMA experiences remains unmatched in the region.