#2) Mariners RHP Matt Brash
Matt Brash had a breakout season for the Mariners last year, he started in high A Everett and earned his way up to AA Arkansas. He did get added to the Mariners roster at the end of the season, but he never pitched in Seattle. Brash had a great year in the minors, pitching in 97.1 innings, posting a 2.31 ERA, walking only 48 batters, and striking out 142 of them. He struck out over 35% of the batters he faced, led by his high 90s fastball and devastating slider.
The upside with Brash is pure dominance, he has two of the best pitches in the Mariners organization. He could be a top-of-rotation pitcher if he finds plus command of his pitches and develops a third pitch. He has some concerns with his delivery that it could lead to arm injuries, but he has not had issues yet. If he doesn’t stick in the rotation, he could easily be a dominant reliever with his fastball-slider combination.
Matt Brash has some of the highest upside, but he has some of the highest variances in his potential outcomes. Some of the other options have safer floors as starting pitchers, but it is hard to ignore Brash’s stuff. He is very good, and he could be one of the first arms called up to the Mariners since he is already on the 40 man roster.