Cristiano Ronaldo is the latest star to join in on the "MacLife".
International soccer star and one of the world's most famous athletes, Ronaldo paid a visit to UFC featherweight champ Conor McGregor's gym on Sunday.
In an Instagram post, McGregor made a friendly challenge that he's coming for Ronaldo's No. 1 spot on Forbes' highest paid athlete list.
McGregor next enters the Octagon on Aug. 20 at UFC 202 against rival Nate Diaz. McGregor is hoping to avenge his lost to Diaz in what will be one of the biggest rematches in UFC history.
