UFC Des Moines takes place on Saturday and days before the event at Wells Fargo Arena, the fight card lost a bout. Light heavyweights  Junior Tafa and Tuco Tokkos were scheduled to clash this weekend but injuries to both fighters forced the fight promotion to scrap the matchup.  Bert MMA first reported Tokkos’ injury. The UFC said on Wednesday that it intenders to rebook the fight for a later date but did not detail what injuries Tafa and Tokkos suffered