I usually wait until after the draft to release an updated list, but with graduations, breakout performances, and a much larger sample size than we had in the preseason, now felt like the right time to revisit the rankings. So here is the updated Top 30 Prospects list, featuring some new faces and a few big risers.
1. Xavier Neyens, INF
Level: Single-A DOB: 10/29/06
Neyens was selected by the Astros in the first round of the 2025 MLB Draft and signed for $4.12 million, the organization’s largest bonus since Alex Bregman received $5.9 million in 2015. A left-handed hitter out of Mount Vernon High School in Washington, Neyens boasts some of the most impressive raw power in the 2025 draft class. While he has a strong arm suited for a corner infield or outfield spot, it’s his powerful bat and advanced hitting ability that made him a top pick. Standing 6’4” and weighing 210 pounds, Neyens projects as a formidable middle-of-the-order presence. Neyens if off to a hot nice start posting an OPS near .900 with a walk rate over 20%, and some impressive exit velocities.
3. Kevin Alvarez, OF
Level: Single-A DOB: 01/13/08
The Astros signed Alvarez this past winter for $2 million, one of the highest international bonuses the organization has ever awarded. Just 17 years old, Alvarez was widely regarded as one of the top pure hitters in the 2025 international signing class. A left-handed bat with an advanced approach, he projects for above-average power and stands out as a well-rounded athlete with a strong arm and solid defensive instincts. According to Francys Romero, evaluators have compared his physicality and skill set at this age to a young Kyle Tucker or Paul O’Neill. Alvarez put together a strong pro debut in the DSL posting a .874 OPS with an impressive 12.0% walk rate and insane 9.9% strikeout rate. This year in Single-A he’s hitting .242 with 5 home runs at just 18 years old.
3. Ethan Frey, OF
Level: High-A DOB: 03/15/04
Frey was selected by the Astros in the third round of the 2025 MLB Draft, with the team going over slot to secure his signing. The former LSU standout enjoyed a breakout junior year, batting .331 with 15 doubles, 13 home runs, and 50 RBIs across 62 games. Standing 6’6″, Frey combines impressive size with surprising athleticism and speed. He offers above-average power and has the tools to play center field, though he could eventually settle into a corner outfield role or first base as some scouts project him there. The 21-year-old hit .330 with 5 doubles, 3 home runs, 17 runs batted in and an impressive 20 walks to 25 strikeouts. Unfortunately he hasn’t been able to replicate that success in High-A so far hitting just .227, though he still has a solid walk rate.
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