Since its inception in 1992, the Arizona Fall League (AFL) has played a key role in developing baseball talent, sending over 3,000 players to Major League Baseball. Notable alumni include Hall of Famers Roy Halladay, Todd Helton, Derek Jeter, and Mike Piazza. The AFL’s 33rd season will begin on October 6, featuring 13 of MLB Pipeline’s Top 100 Prospects.
This year’s league is highlighted by shortstops Kevin McGonigle (Tigers) and Sebastian Walcott (Rangers), both ranked among the top five prospects. The last time two prospects with such high rankings appeared together in the AFL was in 2011 with Bryce Harper and Mike Trout.
Each Major League organization is sending a top prospect to participate. For the Philadelphia Phillies, Aidan Miller (PHI No. 2/MLB No. 47) stands out. According to the release: “Miller struggled a bit for much of the season in Double-A – though he kept drawing a lot of walks – but year-long work on his approach and pitch recognition eventually led to him clicking in a big way late in the year. From Aug. 1 until the end of the season, the 21-year old hit .356/.491/.607, a stretch that included a productive eight-game debut in Triple-A. There might not be another hitter in the AFL coming in with a hotter bat.”
Other notable participants include Josh Kasevich from the Blue Jays, Enrique Bradfield Jr. from the Orioles, and Luis Perales from the Red Sox, each looking to make an impact after injury setbacks or challenging seasons.
The AFL continues to serve as an important development opportunity for young players recovering from injuries or seeking additional experience against advanced competition.









