The Houston Astros have built one of baseball’s most respected player development pipelines, turning overlooked arms into legitimate prospects through a combination of analytics, pitch design, and individualized coaching. Since being selected by Houston in the 16th round of the 2024 MLB Draft, right-hander Bryce Mayer has become one of the latest examples of that process in action.
Mayer arrived in professional ball with an intriguing mix of pitches, but like many young pitchers, he also had areas he could refine. Since joining the system, Mayer has gone from a 16th round pick to one of the best pitching prospects in the Astros organization earning the award of Astros Minor League Pitcher of the year in 2025.
I think the expectation is higher. I’m trying to hold myself to a higher standard and kind of just fine-tune some things,” Mayer said about the difference this year. “Just have a deeper pitch mix to all the hitters that I face.”
The Astros have earned a reputation for helping pitchers refine their arsenals and unlock untapped potential. Mayer has been no exception. Since entering the system, he has worked closely with the organization’s coaches to sharpen his repertoire, and one pitch has emerged as the biggest success story of that process.
“The changeup is the one, like the big one,” Mayer said about his pitch that has improved the most. “The sweeper this year also is a big focus against lefties. That was a big pitch last year against righties, now focusing on it to lefties too.”
But refining the pitches themselves is only part of the development process. Learning how to sequence those offerings, exploit hitters’ weaknesses, and make adjustments throughout a game is just as critical. That’s another area where the Astros have helped Mayer take a significant step forward.
“That’s what I was talking about with having multiple different ways to attack both handed hitters,” Mayer said. “Last year it was pretty simple approach, like one or two pitch mix to each guy. This year make it a four or five pitch mix to each batter.”
Analytics have become an integral part of player development across baseball, giving pitchers access to more information than ever before. From pitch movement profiles to swing-and-miss rates, the data available today allows pitchers like Mayer to closely monitor their performance and identify areas for improvement.
“I like looking at the in-zone numbers and the first two strikes,” Mayer said. “I think those numbers are big, like that’s something I can control is attacking the strike zone and getting ahead of hitters. I think that can predict success at a lot of different levels.”
The results speak for themselves. After posting a 4.11 ERA with 112 strikeouts in 87.2 innings last season, Mayer entered 2026 looking to build on the lessons he learned during a challenging stint in Double-A, where he recorded a 5.90 ERA. So far, he has done exactly that. Back at the level this year, Mayer has emerged as one of the organization’s most effective pitchers, posting a 3.41 ERA while striking out 46 batters in just 29 innings.
“I think just being confident in the pitches in different situations,” Mayer said about what he’s improved over the last year. “Instead of just relying on the fastball, being confident and throwing the off-speed pitches.
Development isn’t always linear. Sometimes, a pitcher finds a grip that feels right or uncovers an adjustment that changes everything. For Mayer, that moment came in part with his changeup, but it also stemmed from a broader shift in how he approaches each outing and attacks hitters.
“I think just a few outings earlier this year with really being aggressive with the fastball and letting everything else play off of that is kind of how I envision myself going forward and that’s the best version of me,” Mayer said.
With the way Mayer is pitching, a promotion to Triple-A appears to be a matter of when, not if. The right-hander has steadily climbed the organizational ladder since being selected in the 16th round of the 2024 MLB Draft, transforming himself from an intriguing late-round pick into one of the Astros’ top pitching prospects. And if Mayer continues to make the adjustments that have fueled his breakout, a major league opportunity in Houston may not be far behind.
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