Tigers in EST: Rayni Guichardo

After signing with the Tigers as a free agent, Rayni Guichardo made his professional debut two years ago in the Dominican Summer League at age 16.  He posted dominant strikeout (11.4 SO/9) and walk (2.9 BB/9) rates in his debut season, as well as a respectable 3.90 ERA.

Photo courtesy of Roger DeWitt

Guichardo’s DSL performance earned him a promotion to the Gulf Coast League in 2009, where he was one of the most dominant pitchers in the league.  At least that is what you might believe looking at his 1.73 ERA.  A closer look at the numbers reveals Guichardo benefited from a lot of good luck.  His BABIP was very low at .206 and his strikeout (6.4 SO/9) and walk (4.1 BB/9) rates both regressed from the previous year, giving him a 4.35 FIP.

In addition to leading the GCL Tigers in innings pitched, Guichardo made a spot start with the Lakeland Flying Tigers, in which he allowed 2 earned runs in 5 innings pitched.

Guichardo’s mid 80s fastball is below-average for a lefthander, but he’s only 18 and he should add some velocity as his 6-foot-1 and 165 pound frame fills out.  Guichardo has been able to succeed so far thanks to his advanced feel for pitching, meaning he has the potential to become a significant prospect if he adds velocity to his fastball.

Name: Rayni Guichardo

DOB: Aug. 13, 1991

Birthplace: Valverdo Mao, Dominican Republic

Bats-Throws: Left-Left

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2 Comments on “Tigers in EST: Rayni Guichardo”

  1. BK Says:

    Thank you for profiling some of the guys in EST. I love to hear about some of the up and comers in the Tigers organization. Keep up the good work!


  2. […] Baxter Josue Carreno Tyler Clark Rayni Guichardo Kevan Hess Logan Hoch Patrick Lawson Matt Little Clemente Mendoza Luis Angel Sanz Brennan Smith […]


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