Pedro D’costa, RHP | 5.22.03 | 6-1/ 185

D’costa has made just one appearance in pro ball, but it was a 25-pitch outing covering 2.2 innings last summer in the DSL where he fanned four versus one base on balls and a single.

The Brazilian was sitting 88-91 mph with a promising slurve and very good arm speed.

Devin Sweet, RHP | 9.6.96 | 5-11 / 200

Sweet is here for one reason and one reason only. His changeup is disgusting, and if he can sit 92 with command and maintain arm slot/speed when throwing The Demon it may miss bats in the big leagues from a bullpen role as early as 2022.

Jose Aquino, LHP | 6.27.02 | 6-3 / 185

Among the DSL arms the past three years, Aquino offers the best combo of present stuff and projection, but needs to find a consistent release point to get the most from what may end up above-average velocity and a solid-average breaking ball.

Wilton Perez, RHP | 3.7.02 | 6-3 / 180

Another in a long line of projectable young arms, Perez also is another in a long line of said arms that has yet to learn to throw consistent strikes. The stuff projects, the delivery doesn’t, at least not yet.

Perez made just one appearance a year ago coming off no mound time in 2020, so this season is rather big for the right-hander.

Danny Chang, LHP | 2.11.00 | 6-3 /185

Chang has a 55 curveball and gets a lot out of a below-average fastball, but he hasn’t been able to throw strikes or show a third pitch just yet. It remains an interesting profile and as a reliever Chang offers some intrigue with his ability to get value from pitching in the zone. He’s still trying to add strength to is frame, but there’s room. This season is key for his chances to remain on the radar.

Raul Alcantara, LHP | 1.22.01 | 6-1 / 180

Alcantara is a quick-armed lefty with velocity into the low-90s and a potentially-plus slider. He looks like a reliever long-term unless the changeup makes a lot of strides in a short time frame, but he’ll need to find a repeatable delivery and throw more strikes for any of it to matter.

He spent last season in Peoria but a good spring may get him to Modesto.

Bryan Woo, RHP | 1.30.00 | 6-2 / 205

Woo had Tommy John, but was the club’s 6th-round pick last July and offers a big fastball (93-96) up to 98 mph, but with limited life, meaning he’ll have to locate to avoid getting torched. Scouts like the chance his slider turns into an above-average pitch.

Woo is good athlete and the delivery is loose with a clean arm path, suggesting there may be even more velocity left for the Mariners to go get, but 2022 will be about returning to the mound.

Kaden Polcovich, UT | B/R | 2.21.99 | 5-10 / 185

The switch hitter offers average power potential from the left side, plenty of on-base skills, and with more contact projects to hit for average, too. There’s a shot at an everyday role here if Polcovich doesn’t have to sacrifice the pop he’s shown in order to significantly increase his contact rates.

He can play second, third, left field, and looked playable at short and center in my looks, thanks to good instincts, above-average speed and lateral quickness.

Polcovich was the last cut from the Top 30, and can jump back into it with a strong first half in Double-A Arkansas this season, a place he scuffled badly in 36 games (.133/.242/.211, 28% K) to end last season.

William Fleming, RHP | 3.6.99 | 6-6 / 225

There’s stuff and command here, though likely as a reliever, but Fleming could skate quickly through the minors, perhaps starting 2022 in Double-A Arkansas in a bullpen role or High-A Everett as a starter.

Brayan Perez, LHP | 9.5.00 | 6-0 / 190

Perez has a four-pitch mix and throws strikes, but no strikeout offering. His curveball is average or better, but the slider may have more long-term value, particularly if he is forced to the bullpen.

The fastball is an average pitch, sitting 87-90 mph, but with good life and run, and in relief appearances has reached 92-93. His changeup remains well below average, but the arm speed is good and could become useful with more reps.

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Jason A. Churchill

Churchill founded Prospect Insider in 2006 and spent several years covering prep, college and pro sports for various newspapers, including The News Tribune and Seattle PI. Jason spent 4 1/2 years at ESPN and two years at CBS Radio. He now serves as the Executive Copy Editor at Data Skrive, a tech company that manipulates data to provide automated content to clients including the AP, BetMGM, USA Today, and ESPN. Find Jason's baseball podcast, Baseball Things, right here.

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