Arizona Diamondbacks Fall League update

The Arizona Fall League (AFL) is currently in full swing, showcasing the top prospects from five different MLB teams. Six teams compete in the AFL, playing each other for a month, culminating in an All-Star game and Championship Game. Arizona's prospects play at Salt River Fields, forming the Salt River Rafters. After just nine games, the Rafters have a solid 6-3 record, placing them in second place, only half a game behind the leaders, the Scottsdale Scorpions and the Surprise Saguaros.

Offensively, the AFL has been a run-heavy affair, with the average team scoring 6.11 runs per game, a figure almost identical to last year's 6.13. The Rafters have been in the middle of the pack on both offense and defense. They lead the league in fielding percentage at .981, making only six errors in nine games. Arizona has nine prospects on the Rafters roster, three position players and five pitchers.

Demetrio Crisantes, Arizona's No. 1 prospect and their only representative in MLB Pipeline's Top 100, has been the standout hitter, but has since struggled a bit. Outfielder Nathan Hall, however, has shown remarkable improvement, with an OBP that is more than double his SLG, a rare occurrence. Young third baseman Yassel Soler, ranked as the system's No. 30 prospect, has a .377 OPS so far, but he is still very young to face top pitching prospects.

Pitching-wise, the small sample sizes make it difficult to analyze. None of Arizona's pitchers have yet reached three innings of work. Among the relievers, lefty Joe Ariola, a 7th-round pick in 2025, has impressed with his 64 strikeouts over 34.2 innings, allowing only one hit. However, given the quality of the opposing hitters, this is no easy feat.

The rule change being tested at Salt River Fields, which requires defenders to stand within a certain distance of designated hash marks, has not been warmly received by analysts, with Keith Law arguing that the solution lies with pitchers, not outfield positioning.