Arizona Diamondbacks
Thyago Vieira has thrown 1,977 pitches that have been tracked by the PITCHf/x system between 2017 and 2026, including pitches thrown in the MLB Regular Season, The World Baseball Classic and Fall/Winter Ball. In 2026, they have relied primarily on their Slider (83mph) and Fourseam Fastball (93mph).
In 2026, compared to other RHP:
Their slider (take this with a grain of salt because they've only thrown 8 of them in 2026) generates an extremely high number of swings & misses compared to other pitchers' sliders and is an extreme flyball pitch compared to other pitchers' sliders. Their fourseam fastball (take this with a grain of salt because they've only thrown 5 of them in 2026) is basically never swung at and missed compared to other pitchers' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers and has essentially average velo.