Vieira has hit 103-mile-per-hour with his fastball.\n', '

The Mariners signed Vieira as a free agent in 2010. He pitched for the Venezuela Mariners for two years, spent the 2013 season as a starter for the low-A Everett AquaSox, then spent the 2014 and 2015 seasons as a reliever for the Clinton LumberKings. After an extended spring training in 2016, he joined high-A Bakersfield Blaze as a reliever, where he worked extensively with pitching coach Ethan Katz.\n', '

The Mariners added him to their 40-man roster after the 2016 season.\n', '

Return to Thyago Vieira Autograph Profile