Canelo Álvarez
With various world championships in two weight classes, the Mexican boxer Canelo Álvarez easily makes the list. As of February 2018, according to BoxRec, Álvarez actually ranks as the world’s best active boxer.
Canelo Álvarez
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Miguel Cotto
The Puerto Rican fighter competed from 2001 to 2017 and is also a multiple-time world champion. Impressively Miguel Cotto is also the first Puerto Rican boxer to have won world titles in four weight classes.
Miguel Cotto
