Reports have it that Roger Federer's camera broke from all the star power in this selfie posted yesterday during the US Open. Between these two legends, we've got six championships and 17 Grand Slam titles. 

Fed ran into his Airness in New York ahead of his opening round match against Australia's Marinko Matosevic, set for Tuesday night on Arthur Ashe court. The No. 2 seed won't need it tonight, but a bit of MJ magic wouldn't hurt if he wants to claim his first Grand Slam title since 2012. 

Just throwing it out there: Which champion was more dominant?