Thyago Vieira

The White Sox just traded for a really intriguing arm

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USA TODAY

The White Sox just traded for a really intriguing arm

The White Sox continued their rebuild Thursday by trading for an intriguing young right-handed pitcher.

The South Siders acquired Thyago Vieira from the Seattle Mariners in exchange for international signing bonus pool money.

The 24-year-old Vieira is a Brazilian native and has only made one appearance in the big leagues, striking out a batter in one perfect inning of work in 2017.

While his career minor-league numbers don't jump off the page โ€” 14-19 with a 4.58 ERA, 1.48 WHIP, 13 saves and 7.4 K/9 in 290.2 innings \โ€” Vieira has been reportedly clocked at 104 mph with his fastball and was ranked as the Mariners' No. 8 prospect at the time of the deal. He also held righties to .194 batting average in 2017.

Here's video of Vieira throwing gas:

And this may explain why Vieira was even available:

Control has been an issue throughout his career, as he's walked 4.6 batters per nine innings in the minors. He has improved in that regard over the last few seasons, however, walking only 22 batters in 54 innings across three levels in 2017 and he doled out only one free pass in 5.1 innings in the Arizona Fall League in 2016.

What does this deal mean in the big picture for baseball? How did the Sox pull off a move like this while not having to give up a player in return? 

This may help shed light on the situation from Baseball America's Kyle Glaser:

Either way, the White Sox may have just acquired a guy who could potentially throw his name in the hat for "future closer." Or at the very least, throw his name in the hat for "best name."