The two are among a small group of pro boxers with big athletic brand backing.
The boxing champion will fight Francisco Fonseca on Saturday as the co-feature on the Mayweather-McGregor card.
Their preferences in sneakers differ greatly. Their predictions for the fight do not.
Combat sports specialists weigh in on who will win the much-anticipated boxing match.
Well, that was interesting.
The pay-per-view standout will fight on ESPN in July.
The two compete in different sports but are linked by Reebok.