Mano Dura, by Keen Ice, Upsets 75th Manitoba Derby Kentucky-bred colt is first Manitoba Derby winner for longtime leading Assiniboia Downs owner Henry Witt, Jr.
75th Manitoba Derby, August 7: Diodoro Brings Two Big Guns With four Manitoba Derbies to his credit, Robertino Diodoro has the even-money favourite for the August 7 race.