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Diego Castillo (born January 18, 1994) is a Dominican professional baseball pitcher for the Tampa Bay Rays of Major League Baseball (MLB).

Diego Castillo
Tampa Bay Rays – No. 63
Born: (1994-01-18) January 18, 1994 (age 25)
Cabrera, Dominican Republic
Bats: Right Throws: Right
MLB debut
June 6, 2018, for the Tampa Bay Rays
MLB statistics
(through July 20, 2019)
Win–loss record5–8
Earned run average3.30


Castillo signed with the Tampa Bay Rays as an international free agent in March 2014. He made his professional debut that season with the Dominican Summer League Rays and spent the whole season there, going 3-3 with a 3.96 ERA in 25 innings. In 2015, he played for both the Hudson Valley Renegades and Bowling Green Hot Rods, compiling a combined 1-2 record and 3.03 ERA in 18 relief appearances, and in 2016, he pitched with both Bowling Green and the Charlotte Stone Crabs where he posted a combined 3-6 record and 2.98 ERA in 60.1 total innings pitched out of the bullpen.[1] In 2017, Castillo played for the Montgomery Biscuits and Durham Bulls. He was named the Rays minor league reliever of the year after posting a 2.76 earned run average (ERA) with 90 strikeouts and 15 saves in 71.2 innings pitched.[2] The Rays added him to their 40-man roster after the season.[3] He began 2018 with Durham.

Castillo was promoted to the Tampa Bay Rays and made his debut on June 6, 2018.[4] For the season, he split time between the bullpen and being one of the Rays "opening" starter. In 43 games, 11 starts, he finished with a record of 4-2 in ​56 23 innings.


  1. ^ "Diego Castillo Stats, Highlights, Bio - Stats - The Official Site of Minor League Baseball". Retrieved May 6, 2018.
  2. ^ Tampa Bay Rays press release (September 29, 2017). "Jesus Sanchez, Yonny Chirinos tabbed as Rays' top minor league performers". FOX Sports. Retrieved November 26, 2017.
  3. ^ Chastain, Bill (January 20, 2016). "Brent Honeywell, Jake Bauers on Rays' roster |". Retrieved November 26, 2017.
  4. ^ "Rays 2 Nationals 11: Diego Castillo makes major league debut". SB Nation. Retrieved June 22, 2019.

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