M.I.A - Keith Thurman

[Primo Carnera]

Canelo cleaned out 154 (Angulo, Kirkland, Lara and Trout)

Angulo - catchweight
Kirkland - catchweight
Lara - Catchweight

christ even when he fought Cotto for the middleweight title it was at a catchweight

He won the WBC, WBO, WBA and Ring Magazine belts at 154

Liam Smith 23-0 (WBO Champ)
Erislandy Lara 19-1
James Kirkland 32-1
Austin Trout 26-0 (WBA Champ)
Alfredo Angulo 22-3

Yeah nice one. Ignore the bit about catchweights.