Jose Rafael "Jumbo" Diaz (born February 27, 1984) is a Dominican professional baseball relief pitcher for the Toros de Tijuana of the Mexican League. He made his Major League Baseball (MLB) debut in 2014 with the Cincinnati Reds, and has also played for the Tampa Bay Rays. Diaz is nicknamed "Jumbo" for his large size; MLB.com lists him at 6 feet 4 inches (1.93 m) and 315 pounds (143 kg).\n', '

Díaz was signed by the Los Angeles Dodgers in 2001 and began his career the next season, appearing with the GCL Dodgers, South Georgia Waves and Great Falls Dodgers and going 5–3 with a 2.82 ERA in 16 games (12 starts). He saw limited action in 2003 with the Ogden Raptors and South Georgia, going 0–1 with a 6.62 ERA in seven games. He pitched for the Columbus Catfish and Vero Beach Dodgers in 2004 and went 1–5 with 20 saves and a 2.00 ERA in 37 games. He saw limited action in 2005, 2006 and 2007, appearing in a total of 36 games. Díaz had Tommy John surgery and missed all of the 2008 season.\n', '

Díaz signed with the Texas Rangers for 2009 and was 3–1 with 10 saves and a 3.63 ERA in 36 games for the Frisco RoughRiders. Following the season, the Rangers released him and he signed with the Baltimore Orioles, going 4–0 with 16 saves and a 1.92 ERA in 45 games. Díaz had 23 saves and a 2.62 ERA in 2011. \n', '

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