At the end of the day they all took a “L”.
Floyd was an absolute monster and was knocking everyone out he faced up until he started having hand problems. He has beat all the greats of his era as well as the era before him and the new up and comers of this generation. From Deigo Corrales, Oscar, Shane Mosley, Arturo Gatti, Canelo, Manny, Cotto, Marcos Madaina, etc… anyone can say what they want about Floyd but the fact remains 49 + McGregor tried and 50 failed, 20+years dominating top level opponents and nobody could ever crack the code. Multiple titles in multiple weight classes from 130-154lbs.