Biggest breakouts on Top 100 Prospects list 2026

Key Points:

• MLB Pipeline recently updated its Top 100 Prospects list and each team's Top 30, incorporating 2026 draftees, highlighting breakout Minor League players who have significantly improved their profiles.
• Jeter Downs Arias (Red Sox) has shown a major power surge, hitting more home runs this season than in his previous three combined, positioning him as one of the top prospects with strong Triple-A performance metrics.
• Pitcher Eyanson, initially a Red Sox draft pick and now with Baltimore, has increased his fastball velocity to 100 mph and developed a promising splitter, showcasing potential for above-average command.
• Center fielder Gillen overcame multiple injuries to deliver a 20/40 power-speed season between High-A and Double-A, demonstrating strong bat-to-ball skills and defensive ability.
• Speedy outfielder Hartman (Braves) combined 24 homers with 47 steals in High-A and Double-A, becoming the fastest Minor Leaguer since 2007 to reach the 20/30 threshold, reflecting his raw tool translation into production.
• Other notable breakouts include switch-hitter Hartshorn, contact-oriented shortstop Houston, power-boosted Morales, and pitchers Perry and Zazueta, all showing significant development in power, velocity, or command.