About Juan Alejo
Born 1984. Juan Alejo is a Mexican boxer.
Juan Alejo (born 9 January 1984) is a Mexican professional boxer. He challenged for the WBO light flyweight title in 2015 and 2017.
Professional career Alejo won Mexico's Light Flyweight title with an 11th-round TKO of Jose Guadalupe Martinez on August 20, 2014. He won a ten-round split decision victory over Jose Rivas on May 27, 2015.
On October 10, 2015 he fought the WBO Light Flyweight Champion Donnie Nietes for the title being the contender, Alejo was the WBO #2 Light Flyweight fighter. In the main event at StubHub Center in Carson, California, Nietes, (37-1-4, 21 KOs) beat Alejo, (21-3, 13 KOs), over twelve rounds in a unanimous decision. Scores were 119-109, 119-109, 120-108.
On December 2, 2017 he fought the Puerto Rican Boxer Ángel Acosta for a vacant WBO World Light flyweight title, where he got knocked out at tenth round of the fight. It was one of the attractions of the main even fight of Miguel Cotto vs Sadam Ali, were Miguel Cotto lost by Unanimous Decision.
Professional Record
No. Res. Record Opponent Type RoundTime Date Location
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Important facts
People in Juan Alejo's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Juan Alejo's
Frequently asked questions
Who is Juan Alejo?
Mexican boxer
When was Juan Alejo born?
Juan Alejo was born on 9 January 1984 in Monterrey.
What is Juan Alejo's occupation?
Juan Alejo is a boxer.
What nationality is Juan Alejo?
Juan Alejo is Mexican.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Juan Alejo. https://biography.guide/juan-alejo/
MLA: "Juan Alejo." Biography.guide, https://biography.guide/juan-alejo/.
Chicago: "Juan Alejo." Biography.guide. https://biography.guide/juan-alejo/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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