| Cosme Rivera | |
| Nickname: | Chino |
| Weight: | Light welterweight Welterweight |
| Birth Date: | 19 July 1976 |
| Birth Place: | Huatabampo, Sonora, Mexico |
| Style: | Orthodox |
| Total: | 84 |
| Wins: | 43 |
| Ko: | 28 |
| Losses: | 37 |
| Draws: | 3 |
| No Contests: | 1 |
Cosme Rivera Yucupicio (born 19 July 1976) is a Mexican professional boxer. He held the WBO–NABO light welterweight title in 1999, the WBC Continental Americas light welterweight title in 2002, the WBA Fedecentro & WBO Latino welterweight titles in 2006 and the WBC Latino light welterweight title in 2011. He also fought for a unified welterweight world title in 2005.
Rivera initially played baseball in his native city of Huatabampo.[1] He began boxing at the age of 15, sneaking out of the house to train at a local gymnasium.[1] In his three years as an amateur, he only had nine bouts.[1]
Rivera had a draw in his professional debut on January 1, 1993 vs. Cachorron Diaz.
Rivera got his first title fight on November 22, 1996 vs. Luis Alejandro Ugalde (7-0) in Tijuana, Mexico for the Baja California State Light Welterweight Title, winning by point in 12 rounds.
In 2003, he knocked out a previously undefeated James Hare in England.[2]