If Mark Hunt takes this fight seriously and actually takes his time to prepare he should win this.
Brock can't KO Mark Hunt. - 0% his standup is no good.. maybe it's decent in the gym but on fight night, can't take a punch.
Brock probably can't fight for 15 minutes unless he's laying on top of Hunt the whole time. -10%
Brock could possibly Submit Hunt. 25%
Hunt could definitely KO Brock. 40%
Hunt could catch Brock and Submit him. 15%
Hunt could out work Brock and avoid his takedowns. 10%
Brock 35% chance to win this fight.