(CBS) The White Sox on Thursday acquired 24-year-old right-hander Thyago Vieira from the Mariners in exchange for international signing bonus pool money.

Vieira had a 4.00 ERA in 41 appearances at Triple-A in 2017. He struck out 46 in 54 innings. Vieira made one big league appearance with the Mariners as well, throwing a scoreless inning.

A native of Brazil, Vieira was rated at the No. 8 prospect in the Mariners’ farm system by MLB.com. He had a 4.58 ERA across seven minor league seasons in Seattle’s system. He was signed in September 2010 as a non-drafted free agent.

The Mariners opened up an extra $500,000 in their international bonus signing bonus pool with the trade, which allows them to offer Japanese pitcher/outfielder Shoehi Otani more money. Once he’s posted by the Nippon Professional Baseball league, Otani will become one of the premier free agents available but can only sign a minor league contract with a signing bonus under MLB’s new collective bargaining agreement. The Mariners now have about 1.55 million to offer Otani.

The White Sox’s 40-man roster now sits at 36 players.

 

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