Thyago Vieira
Baseball
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', '
They come and go. We’ll email you the moment one lists.
🔔 Sign in to get an alert
ISO
Nobody has an ISO for Thyago Vieira yet. Be the first.
What’s an ISO?
ISO means in search of. You post the autograph you want (who, what item, your budget), and sellers who can get it, or already have it, reach out to you. It’s free, and it’s how many collectors find pieces that never hit eBay.
In RACC collections
Pieces RACC members have put on show
No Thyago Vieira drops yet. Be first to know when there is one. Drops are official signed merchandise that artists, record labels and official distributors release regularly, and they sell out fast.
Alerts come as one daily summary email, most popular first.
TTM
Nobody has logged a through-the-mail request to Thyago Vieira yet. Be the first to log a TTM.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Terms of Service · Privacy Policy · Community Rules
© 2026 Real Autograph Collectors Club