Jumbo Diaz Autographs
Jumbo Diaz is a Dominican professional baseball player who has made a name for himself in the world of baseball. Born on February 27, 1984, in La Romana, Dominican Republic, Diaz began his baseball career in his home country. He was signed by the Los Angeles Dodgers as a free agent in 2001 and joined the franchise's Dominican Summer League, where he played for a few seasons.
Diaz moved to the Cincinnati Reds organization in 2008, where he made his Major League debut in 2014, pitching in 72 games that year. The following season, Diaz continued to impress, earning a 2.96 ERA in 54 games, and his career continued to grow. He would play for the Tampa Bay Rays and the New York Mets before joining the AAA affiliate of the Pittsburgh Pirates, the Indianapolis Indians. While with the Indians, Diaz played a significant role during the 2019 season, where he tallied a 3.12 ERA in 30 games, striking out 45 batters in 34 2/3 innings.
Throughout his career, Diaz has become known for his impressive fastball, which has been clocked up to 99 miles per hour. This pitch, paired with Diaz's big size – standing at 6 feet 4 inches and weighing in at around 270 pounds – has made him an intimidating figure on the mound. Despite not being a consistent starter, Diaz has solidified himself as a valuable bullpen piece, able to come in and shut down opposing hitters in key situations. He remains an active athlete, consistently working to improve his game and help his team achieve success.
Read more about Jumbo Diaz on Wikipedia
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Traded items with a signature of Jumbo Diaz
The most expensive item with a signature of Jumbo Diaz (Cincinnati Reds #70 Jumbo Diaz Signed Authentic Game Used Jersey Majestic 2014) was sold in October 2025 for $279.99 while the cheapest item (Jumbo Diaz Cincinnati Reds Signed Autographed 18 Mini Baseball Bat PAAS COA) found a new owner for $2.99 in August 2015. The month with the most items sold (3) was August 2015 with an average selling price of $9.99 for an autographed item of Jumbo Diaz. Sold items reached their highest average selling price in October 2025 with $279.99 and the month that saw the lowest prices with $3.25 was January 2023. In average, an autographed item from Jumbo Diaz is worth $8.49.
Most recently, these items with a signature of Jumbo Diaz were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | 2015 Topps Cincinnati Reds Jumbo Diaz Autographed Card #US101 | $3.99 |  |
| 2015 Topps Jumbo Diaz #US101 Auto Signed Autograph Reds | $5.00 | |
| 2015 Topps Update Series #US101 Jumbo Diaz AUTOGRAPH/Signed Cincinnati Reds | $20.29 | |
| 2015 TOPPS US 101 Jumbo Diaz CINCINNATI REDS SIGNED AUTOGRAPH AUTO COA | $10.95 | |
| 2016 Topps Jumbo Diaz #462 Auto Signed Autograph Reds | $8.00 | |
| 2016 Topps Jumbo Diaz #462 Auto Signed Autograph Reds | $8.00 | |
| 2016 Topps JUMBO DIAZ Signed Card autograph REDS RC DOMINICAN REPUBLIC | $3.99 | |
| 2016 Topps JUMBO DIAZ Signed Card autograph REDS RC DOMINICAN REPUBLIC AUTO | $8.99 | |
| 2016 Topps JUMBO DIAZ Signed Card autograph REDS RC DOMINICAN REPUBLIC AUTO | $5.49 | |
| 2016 Topps JUMBO DIAZ Signed Card autograph REDS RC DOMINICAN REPUBLIC AUTO | $4.99 | |
| Cincinnati Reds #70 Jumbo Diaz Signed Authentic Game Used Jersey Majestic 2014 | $279.99 | |
| Jumbo Diaz 2015 Topps Update #US101 Cincinnati Reds Auto Autographed Signed Card | $5.95 | |
 | Jumbo Diaz 2020 Signed, Game Worn Dominican Olympic Qualifier Jersey, #43 | $200.00 | |
| Jumbo Diaz Signed 2015 Topps Update IP Auto #US101 | $4.72 | |
| JUMBO DIAZ ‘CINCINNATI REDS’ AUTOGRAPHED OFFICIAL RAWLINGS SIGNED | $3.25 | |
