Mayweather fought for his first genuine world title the WBC superfeatherweight title in only his 18th fight and then the names on his record went like this.

1.Genaro Hernandez (WBC superfeather weight champ)
2.Angel Manfredy
3.Carlos Alberto Ramon Rios
4.Justin Juuko
5.Carlos Gerena
6.Gregorio Vargas
7.Emanuel Augustus
8.Diego Corrales
9.Carlos Hernandez
10.Jesus Chavez
11.Jose Luis Castillo (WBC lightweight champ)
12.Jose Luis Castillo
13.Victoriano Sosa
14.Phillip N'dou
15.Demarcus Corley
16.Henry Bruseles
17.Arturo Gatti (WBC Light welterweight champ)
18.Sharmba Mitchell
19.Zab Judah (IBF welterweight champ)
20.Carlos Manuel Baldomir (WBC welterweight champ)
21.Oscar De La Hoya (WBC Light middleweight champ)


Hatton fought for his first genuine world title the IBF light welterweight in his 39th fight and from then the names on his record went like this.

1.Kostya Tszyu (IBF Light welterweight champ)
2.Carlos Maussa (WBA Light welterweight champ)
3.Luis Collazo (WBA welterweight champ)
4.Juan Urango (IBF Light welterweight champ)
5.Jose Luis Castillo

Floyd has definately mixed in the better company nobody can argue that.