May day has finally arrived. The best pound-for-pound fighter Floyd Mayweather Jr. faces off with Robert Guerrero tonight, and for the most part, he's kept pretty quiet leading up to the fight. He continues to say that he's more mature, humbled and changed by his time in jail. There is one aspect of his life, however, that he's continued to be just as loud as he always has: his car collection. As one of the highest paid athletes of all time, Mayweather has had no problem building a garage that is fit for kings and champions. He's got a Mercedes-Benz SLS, he's got multiple Rolls-Royces and Bentleys, and he's got a couple Ferraris to boot, as well. Of course, we know this from his stuntastic Instagram. Get ready for tonight with Floyd Mayweather Jr.'s 25 Best Rides Photos on Instagram.