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Ysaias Zamudio

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Ysaias Zamudio (born May 10, 1969) is a former Mexican boxer known as Kid Showtime. Born in Mexicali, he later lived in Blythe, California. He turned pro in 1987 and quickly built momentum, earning his first knockout win a week after his debut.

Zamudio rose through the Flyweight ranks, winning the WBA Americas Flyweight title in 1989 after defeating Jose Manuel Diaz twice that year—the second win came by a three-round knockout to claim the crown. He also captured the NABF Flyweight title in 1990 and defended it in the following years. He fought in Japan in 1992 against Yuri Arbachakov for the WBC Flyweight title and lost by a close 12-round decision.

In the mid- and late-1990s he remained a top contender, challenging Chatchai Sasakul for the interim WBC Flyweight title in 1997 and later Diego Morales for the WBO Flyweight title in 1999, both losses. Zamudio finished his career with a record of 45 wins, 9 losses and 1 draw, including 17 knockouts.


This page was last edited on 2 February 2026, at 00:14 (CET).