Juan Diaz Autographs
Juan Diaz is a retired Mexican-American professional boxer, born on December 13, 1983, in Houston, Texas. He began boxing at the age of seven under the guidance of his father, and by the age of 15, he had already won several amateur titles. In 2000, Diaz represented the United States at the Junior Olympics, where he won a gold medal in the lightweight division.
Diaz turned pro in 2000, and his first fight was a first-round knockout against Rafael Ortiz. Over the next few years, he fought and won several bouts, becoming the WBA lightweight champion in 2004. He was known for his high work rate, relentless pressure, and excellent stamina, which earned him the nickname "Baby Bull." Diaz had a record of 36 wins (18 by knockout), 6 losses, and 1 draw in his professional boxing career.
Throughout his career, Diaz fought some of the top names in the sport, including Julio Diaz, Acelino Freitas, Paulie Malignaggi, and Juan Manuel Marquez. He retired from boxing in 2016 but returned to the ring in 2018, winning his comeback fight against Fernando Garcia. Diaz's career highlights include his unification victory against Malignaggi, his dominant win over Erik Morales, and his exciting trilogy with Juan Manuel Marquez. Today, he is remembered as one of the most accomplished boxers of his generation, and his relentless work ethic and determination continue to inspire young fighters.
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Traded items with a signature of Juan Diaz
The most expensive item with a signature of Juan Diaz (Baby Bull Boxing Glove, Signed by Juan Diaz “Baby Bull”!) was sold in August 2025 for $500.00 while the cheapest item (2002 UPPER DECK 40 MAN JUAN DIAZ RED SOX AUTO SIGNED) found a new owner for $0.01 in February 2010. The month with the most items sold (5) was December 2012 with an average selling price of $10.00 for an autographed item of Juan Diaz. Sold items reached their highest average selling price in August 2025 with $500.00 and the month that saw the lowest prices with $0.99 was November 2021. In average, an autographed item from Juan Diaz is worth $13.25.
Most recently, these items with a signature of Juan Diaz were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | 2008 Topps Co Signers JUAN DIAZ Autograph | $20.00 |  |
| 2008 Topps Co Signers JUAN DIAZ Autograph | $20.00 | |
| 2008 Topps Co-Signers JUAN DIAZ AUTOGRAPH Boxing Card SS-JD Auto Signed Solo Sig | $11.50 | |
| 2008 Topps Co-Signers JUAN DIAZ AUTOGRAPH Boxing Card SS-JD Auto Signed Solo Sig | $11.50 | |
| Acelino Freitas vs Juan Diaz Autographed Boxing Program (2007) Foxwoods, CT | $37.99 | |
| Acelino Freitas vs Juan Diaz Autographed Boxing Program (2007) Foxwoods, CT | $37.99 | |
| Acelino Freitas vs Juan Diaz Autographed Boxing Program (2007) Foxwoods, CT | $74.99 | |
| Acelino Freitas vs Juan Diaz Autographed Boxing Program (2007) Foxwoods, CT | $74.99 | |
| Baby Bull Boxing Glove, Signed by Juan Diaz “Baby Bull”! | $500.00 | |
| Baby Bull Boxing Glove, Signed by Juan Diaz “Baby Bull”! | $500.00 | |
| Juan Diaz 2008 Topps Co Signers Solo Signature Boxing Card Authentic Baby Bull | $9.99 | |
| Juan Diaz 2008 Topps Co Signers Solo Signature Boxing Card Authentic Baby Bull | $9.99 | |
| Juan Diaz 2008 Topps Co-Signers Solo Sigs Autograph SS-JD | $20.00 | |
| Julio Diaz & Juan Diaz 2008 Topps Co Signers auto Boxing card Autograph | $12.00 | |
| Julio Diaz & Juan Diaz 2008 Topps Co Signers auto Boxing card Autograph | $12.00 | |
