Both of these guys are still in the building stage of their careers. They need to take a lot of tough assignments before they can be considered worthy for the big names.
porter has been on the grind for years thruman has just popped up this last year or so. after the alaxander performance let him earn some money
Their drawing power would be equal, but Porter is holding a belt. Also, the win over Devon Alexander was much more impressive than a win over Soto Karass.