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A lot of different types of players get sent to the Arizona Fall League by their parent clubs: prospects who have lost time due to injury, org arms there to soak up enough innings for the league to function, guys eligible for the Rule 5 Draft whose teams aren’t yet sold on putting them on the 40-man roster, and, quite often, the most talented and exciting players in minor league baseball. It’s a rich and robust tapestry.

Now that the league’s action has commenced, one use of the AFL is to provide a sort of decontextualized look at some of the players whose strong performance in 2025 was already cause for some re-evaluation. Here’s one player from each AFL roster who arrived with some helium, prompting us to ask if they’ve changed their scouting report, or are just progressively improving into the player we expected.

Glendale Desert Dogs
Sam Antonacci, 2B, White Sox
2025 FV: Honorable Mention

Not only did the White Sox trade for Chase Meidroth months after giving Antonacci a slightly over-slot bonus in the fifth round of the 2024 draft, their Double-A Birmingham affiliate won the Southern League while slotting Antonacci in as the third straight feisty little bat-to-ball maven at the top of their lineup behind Rikuu Nishida and William Bergolla. At six feet, he’s a bit taller, but similar to Meidroth, below-average thump and a dearth of the athleticism necessary to drive a shortstop projection cooled early scouting reads for Antonacci, and he was an honorable mention for us on the White Sox list in April. Despite only playing his junior season there after two years of Division II ball, Antonacci is so Coastal Carolina-pilled that 35 hit by pitches form a substantial part of the .433 OBP he held over his first full pro season. (That he has yet to be plunked in his first three AFL games has to be, one would imagine, a source of deep personal disappointment.) Read the rest of this entry »

The 33rd Arizona Fall League season opened last night with a single game in Scottsdale. There are future stars in the Fall League every year, as well as many more workmanlike players who are competing for a 40-man roster spot on next year’s club. It’s a wonderful league for teams to develop and scout prospects because of the cross section of talent it tends to include (there are usually lots of good position player prospects), its timing (which allows players who were injured during the regular season to catch up on reps), and its structure (which allows for six weeks of steady looks). Teams almost always take the AFL seriously and send players here who they want to see more of, or who they want to test. Being on the roster is, on its own, a flare. It’s an indication that a player is worth paying attention to from a scouting standpoint even if I didn’t know the guy’s name until I saw a roster.

Previewing this league with prospects’ scouting reports risks putting the cart before the horse because the scouting part has yet to happen. I want to give you the reports I already have, to play the hits and make sure you have Kevin McGonigle and Josue De Paula reports and tool grades in front of you (don’t worry, you will), but a huge part of the pro scouting exercise that is the Arizona Fall League is mining for the deeper cut prospects, and I can’t tell you who those guys are going to be just yet. But I can show you the initial steps I take to prepare to go to the field and try to systematically unearth these guys, give you the tools to do so on your own, and, in the process, let know you who it is I’m most curious and excited to learn more about for the next six weeks. Read the rest of this entry »

Today’s postseason off day provides a nice opportunity to push an update to my Top 100 Prospects list. This is a “low-hanging fruit” update, more of a polishing and augmentation of the current list than an omnibus analysis of the entirety of the minor leagues. I mainly focused on the players who are closest to graduation, players who got a cup of coffee in the big leagues (sometimes a big cup, close to the maximum roster days without losing 2026 rookie eligibility) and who we basically can’t know any more about than we currently do before they graduate next year. I took a pass at the guys who were already on the Top 100 in a variety of ways; the cement is dry on their season-long stats and their underlying performance data, so everyone got a checkup in this regard, as well as via a TrackMan data check-in. I also watched all of these players swing and play defense at least a little bit just to re-establish an end-of-season visual understanding of their look.

Immediately below, you’ll see the updated list along with trend arrows indicating if a player’s FV grade has changed on this update, and then below that my thoughts on the clusters of players that formed throughout this process. The number of players on whom I have a grade of 50 or better is currently a little below 100, and the number of healthy players is even lower than that. As the offseason list-making process gets underway, there will probably be more players added to this tier, and any player’s grade is potentially subject to change as the down time allows for deeper analysis. Read the rest of this entry »

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Now that the lower minor leagues’ regular seasons are over, teams have commenced with instructional league activity in a traditional sense, with a select group of players from several of their affiliates working out and scrimmaging at their spring training complexes. While “Bridge League” (the unofficial period of scrimmage activity that occurs after the late-July conclusion of the Complex Level schedule) frequently includes some newly drafted players, most of the rosters are made up of the guys who have been on the complex all year. But once “instructs” begin, the talent and quality of play of these games ascends to a different level as teams test their most interesting young players or get an intimate look at prospects who might be up for a 40-man roster spot during the winter. The snowbirds haven’t returned in full because the weather here in Arizona is still pretty gross, so driving across the metro is easier now than it will be in a few weeks (and during next year’s spring training). For that reason, I decided to focus my early looks on teams based in the western half of the Phoenix metro, farther from the house. Read the rest of this entry »

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This is the second post in a series I’m working on in which I not only do a deep dive analyzing shortstop prospects’ defense, but also cut together a video package so that you can too. The first installment can be found in the navigation widget above. Today, I’m tackling Red Sox prospect Franklin Arias, Yankees prospect George Lombard Jr., Cardinals prospect JJ Wetherholt, and Reds prospect Edwin Arroyo. Let’s get started. Read the rest of this entry »