Instead of the established norm for MMA events , where matchups are strictly one-on-one affairs , each IFL card is a showdown between two teams of five fighters , each fighter fighting one match against another on the opposing team . Instead of the established norm for MMA events , where matchups are strictly one-on-one affairs , each IFL card was a showdown between two camps of at least three fighters , each fighter fighting one match against another in the opposing camps .