Thyago Vieira

Thyago Vieira (Lindsey Wasson / Getty Images)

Position: RHP
Born: 07/01/1993
Ht: 6'2"   Wt: 210
Acquired: via trade with Seattle (November 2017) for international bonus pool space
Career Stats

FutureSox Prospect Rankings

  • #17- 2018 Preseason

FutureSox Media

Accolades

  • 2016 Arizona Fall League
  • 2017 Futures Game (World Team)

Scouting Report

Thyago Vieira was signed by the Seattle Mariners out of Brazil back in 2010. He spent two seasons in the now-defunct Venezuelan Summer League before reporting to rookie ball. Vieira began his career as a starting pitcher but struggled to throw strikes consistently and battled numerous injuries. Thyago shifted to a bullpen role in 2014 with the Low Class A affiliate in the Seattle organization. He finally started to put it all together in 2016 and even earned his first major league opportunity in August 2017. The White Sox acquired him in November 2017 for $500K in international bonus pool space from the Mariners. Across AA/AAA in 2017, he pitched 54 innings with an ERA of 4.00. He struck out 46 batters and walked 22. In 2016 however, he threw 44.1 innings while striking out 53 guys and compiled an ERA of 2.84. Vieira represented the World Team in the Futures Game this past season. 2018 saw Vieira struggle with command in the early going, before improving quite a bit as the season went on and he onboarded some adjustments from the coaching staff. He's now been promoted to Chicago.

Vieira displays an aggressive attitude on the mound and his delivery features moving parts similar to a young Fernando Rodney. Vieira has an 80-grade fastball according to most evaluators and he generally sits in the 97-100 mph range. He has hit 103 mph in the past. He profiles as a high leverage relief option due to the power curveball that he employs with the heater. He does have trouble with delivery repetition but he has made enough gains in that department to pitch in the Arizona Fall League and briefly in the majors in 2017 but struggles to get ahead of hitters consistently. He has a chance to be part of the next contending team's bullpen if his offspeed stuff and command can firm up enough.

Major League Outlook: Late Inning Reliever
ETA: 2018

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