MLB Prospect Rankings: All 30 Teams May Big Board Update

Welcome to our first team-by-team MLB prospect rankings big board update. The top 10 prospects for all 30 teams are updated entering May. What has changed since our initial offseason list? Below, you will find the rankings for your favorite team, along with what to know for May, and all 30 of these lists will be updated regularly throughout the season. Players in the big leagues are eligible for this update as MLB rookie eligibility rules apply here -- 130 at-bats, 50 innings pitched or 45 days on the active roster -- so some well-known major league rookies are appearing here for the final time this month. Who are your favorite team's future stars and how close are they from reaching the majors? More coverage: Preseason top 100 | 101-200 | All 30 farm systems

Jump to team: American League ATH | BAL | BOS | CHW | CLE DET | HOU | KC | LAA | MIN NYY | SEA | TB | TEX | TOR National League ARI | ATL | CHC | CIN | COL LAD | MIA | MIL | NYM | PHI PIT | SD | SF | STL | WSH

Athletics

There isn't much movement here yet, just mostly expected performances in the early going. Jump's velo is up a tick, and Montero has had a slow start in Low-A after another stint in the Dominican Summer League. I'm intrigued by the A's eighth pick in July's MLB draft. There are four or five prospects who I think won't be available by that pick, but the A's should get to choose from a diverse group of prospects. Whomever they pick likely slots into their top five.

Next to debut: Jump is in Triple-A and pitching well, though he doesn't need to be added to the 40-man after this season.

Arizona Diamondbacks

Cunningham is up a bit, in part because Dix is off to a slow start, and Troy is waiting for a spot to open on the big league club. Waldschmidt continues to ascend and should debut at some point this season; remember the former Kentucky star's quick ascent when the next medium-tools, data-friendly SEC performer is available in the draft.

Next to debut: Troy, Walschmidt and Groover (in that order) seem to be next up when a spot becomes available for a position player.

Atlanta Braves

Caminiti added a cutter at 88-90 mph and continues to progress, while Fuentes and Ritchie look like they'll be keepers for the big league club. Southisene is off to a hot start this year. I wonder if this successful group of starting pitchers emboldens the Braves to consider other position players with bigger upside and bigger risk at the No. 9 pick this summer.

Next to debut: With Ritchie/Fuentes filling the short-term pitching needs, there isn't a clear option; RHP Lucas Braun just missed the list and is a multirole pitcher who needs to be added to the 40-man after the season.

Baltimore Orioles

Samuel Basallo and Dylan Beavers are no longer eligible, so the top of this list is mostly players who would land at the back end of a top 100 or just miss the cut. Gibson still needs to sharpen his command a bit, and Mejia needs to sharpen his a lot, but he has time. Dzierwa gets the big arrow up here, adding velocity to his fastball and sweeper, growing on his deception/changeup/feel-based approach last year at Michigan State. Quinn was a favorite of mine in last year's draft who is now throwing a shocking number of strikes after barely starting in college last year. Bateman (acquired at last year's deadline from San Diego) has seen the velo on all of his pitches go up about 2 mph.

Next to debut: Gibson and Bradfield are in Triple-A but are probably second-half options.

Boston Red Sox

Connelly Early graduated, and Tolle isn't far behind. Arias gets an arrow up thanks to more in-game power. Arias and Tolle are a coin flip, but Arias will be the top prospect in the system in a few weeks after Tolle graduates. Valera got an arrow up early on, but we're waiting to hear about the seriousness of his arm soreness. Witherspoon has been solid since signing, Phillips has unique traits but needs to sharpen his command and Eyanson's velo has taken a big step forward. I'll probably jumble those three pitchers again in the next update. Gonzales has more loft in his swing, which is why his raw power is leading to more homers this year.

Next to debut: Bennett is in Triple-A and probably the next pitcher called up when there's a need.

Chicago Cubs

Moises Ballesteros graduated, and the two arrow-up players of note are Ramirez and Hartshorn. Ramirez is a bit better in all phases at the plate and seems likely to get a look this year. I liked Hartshorn in the draft as a polished hit/power/patience combo in a corner-outfield profile. He has more walks than strikeouts and plus raw power.

Next to debut: Ramirez, Wiggins, Triantos and Long are all in Triple-A, and I'll guess that's the order they'd be promoted, though Wiggins could also be first.

Chicago White Sox

I was high on Bonemer, and he has been red hot, tying the minor league lead with 11 homers. Schultz is fascinating and unique and has bounced back this season. I was low on Montgomery over the winter, putting him at the end of the 3-7 group that was tightly packed in my mind. Carlson has been solid but needs to add some loft to actualize his power. McDougal's velo is up in the early going but still comes with reliever risk. Smith and Oppor have command questions that they haven't begun solving. Montgomery slides to the top of the group because the loft in his swing has improved this year, fueling more homers, though his strikeout rate points to my still lingering contact concerns.

Next to debut: McDougal and Bergolla seem next up, depending on whether the need is for a pitcher or position player

Cincinnati Reds

Sal Stewart and Rhett Lowder have graduated, so most of the list just scooted up. Lewis' swing-and-miss has worsened a bit in his return to Low-A, so he slides a bit, and Petty's sinker velocity is up about 1.5 mph, so he has regained some of the stock he lost last season.

Next to debut: Arroyo and Rodriguez are on the 40-man and in Triple-A, so depending on an infield or outfield need, they should be the next prospects to debut.

Cleveland Guardians

Parker Messick has graduated, and DeLauter and Bazzana are in the big league lineup. The next wave -- Velazquez, Stephen and Genao -- should be coming early in 2027. Caceres and Chourio have taken steps forward this season at the plate. Keep an eye on the last cut -- RHP Joey Oakie. If he can throw better strikes, he'll be on the list soon.

Next to debut: Ingle needs to be added to the 40-man after the season, and he's red-hot at the plate. He'll need to wait for a catcher or DH need to fill.

Colorado Rockies

Holliday was polarizing in last year's draft and will continue to be for many this season. He has big left-handed power and can stick in the infield, but his in-zone miss rates were worrisome during the past two summers. He's moving in the right direction on that front and could just be a slower mover, such as Austin Riley was for the Braves. The Rockies pick 10th in the draft and with a new brain trust making the selections, one of the bigger storylines within the industry will be what sort of prospects Colorado adds to this list in July.

Next to debut: Condon, Hughes and the last cut from the list, OF Cole Carrigg, are all in Triple-A. Hughes is on the 40-man and seems next up.

Detroit Tigers

McGonigle is somehow still a prospect for a bit longer. Lee just made his big league debut, and Clark shouldn't be far behind. It will be intriguing to see who emerges as the top prospect from the lower minors among Rodriguez, Oliveto, Yost, RHP Malachi Witherspoon and a few others. That will give the Tigers some idea of how much they need to add in free agency to supplement this core.

Next to debut: Anderson looks next, but with Lee jumping ahead of him in the infield pecking order, Briceno might return from injury and jump ahead of Anderson.

Houston Astros

Brice Matthews graduated, and Neyens has been putting up ridiculous exit velos, as many expected. Alvarez is the other intriguing high-upside position player in the system, but he is still quite early in his path. Huezo is a boom-or-bust type with big tools, and Forcucci is now back on the mound for the first time in almost exactly two years.

Next to debut: RHP Miguel Ullola, who just missed the list, and Pecko are the main options, but Ullola is on the 40-man, and he seems up next.

Kansas City Royals

Carter Jensen has graduated, and everyone mostly moves up a spot as a result. Hammond was my "How did this guy last this long?" pick in last year's draft, and the early returns back up my befuddlement. Hopefully, Hammond has the same success as Kevin McGonigle, who lasted longer than I thought in the 2023 draft. Chourio continues to improve without lighting up Stuff+ models, but he has elite control, and his fastball is sitting 95-97 mph as an 18-year-old.

Next to debut: There are several big league veterans and injured prospects in the upper minors for KC. I'll go with late cut RHP Drew Beam, but there might not be a debut soon.

Los Angeles Angels

The Angels are always fascinating, but this time, it's for the arrow moving the right way regarding pitcher development. Bremner wasn't a consensus pick last summer, but the early returns are positive. Gregory-Alford and Jordan are from previous drafts but are headed in the right direction, while Haley's early returns are very positive, and the back-field whispers on 2025 draftees RHP CJ Gray and LHP Johnny Slawinski are also positive.

Next to debut: Rada is a clear option because he's in Triple-A, can contribute in a part-time role and needs to be added to the 40-man after this season.

Los Angeles Dodgers

Alex Freeland has graduated, and Hope and Morales are coming out strong. Quintero has been a little slower out of the gates, and Sirota is still in A-ball for some reason. Ryan has returned after an injury odyssey, and Tibbs is red-hot at the plate. Davalan is also a notable arrow-up prospect since the draft, and there's plenty of depth here, with another half a dozen prospects who could have snuck on the list.

Next to debut: Jackson Ferris and Adam Serwinowski, lefties who just missed this list, are next to be added to the 40-man after the season; Serwinowski's stuff fits better in shorter stints.

Miami Marlins

Owen Caissie has graduated, and it appears as though a wave of talent has arrived in Miami. White, Snelling and Mack will all be there in short order, then the Marlins need the next wave to get organized to support the major league roster. Milbrandt has frontline potential with a little more command, Defrank has huge stuff as a teenager and the early returns on Cannarella are positive.

Next to debut: Mack (on 40-man) and Alderman (not on 40-man) are options if their positions are needed, while LHP Dax Fulton (on the 40-man, just missed the ranking) could be the next pitcher up.

Milwaukee Brewers

Brandon Sproat has graduated, and this is still a deep list with another half a dozen or more prospects you could add at the end of the list: OF Luis Lara, OF Marco Dinges, 1B Blake Burke, OF Braylon Payne, LHP J.D. Thompson. Henderson, Williams, Quero and Pratt seem to be big league factors pretty soon, while Letson, Adams and Adamczewski are maybe just one year behind.

Next to debut: Pratt signed an eight-year extension last month and could be a utility option given his contact/defensive profile.

Minnesota Twins

Prielipp and Rojas have debuted, and Jenkins and Rodriguez can't be that far behind. Tait and Hill have some of the higher upside at their levels, and RHP Riley Quick (a late cut) has also gotten an arrow up since the 2025 draft. Soto is a personal favorite who could take another jump forward when he gets back on the mound. Keep an eye on RHP James Ellwanger, who was also drafted in 2025.

Next to debut: Rodriguez seems next up because he's raking in Triple-A and is on the 40-man in his final option year.

New York Mets

Nolan McLean has graduated, and my belief in Ewing has been rewarded this year. This wave has mostly arrived, with the top seven all likely big league factors this season. It's cold comfort to think prospects can solve what's wrong with the major league team, but there's a lot of young talent here (shrug emoji).

Next to debut: Clifford and Wenninger need to be added to the 40-man before the season ends, so those are the safe bets, but Ewing might force his way onto the big league roster before either.

New York Yankees

Lombard was just called up to Triple-A, and Rodriguez just made his MLB debut. Jones could be called up to New York next, and Lagrange could be up this year. Kilby is a nice arrow-up member of the 2025 draft class, but beyond those five players, the system doesn't have much potential impact. The depth has been hollowed out due to trades, and we can't gloss over finding Cam Schlittler, who has graduated, at the 220th pick, but a strong draft class could land several guys on this top 10 by July.

Next to debut: Jones, Lombard and Lagrange could all be next, depending on what's needed, though Jones is on the 40-man, so he has an edge.

Philadelphia Phillies

There isn't much movement as Miller hasn't taken the field yet, and Painter and Crawford are on the big league team, but Wood is the big story. He slipped in the draft due to questions about durability, and he might still be a reliever, but he has pieces to throw plus stuff and in a starter's role. If there's a pleasant surprise in the system this year, it could be Wood knocking on the door in the second half.

Next to debut: Rincones is in Triple-A and on the 40-man, so he looks to be next up.

Pittsburgh Pirates

Bubba Chandler has graduated, Griffin won't be far behind and Barco is also in the big leagues. This wave of talent is basically there and starting to be really felt. Early returns on Hernandez are outstanding; he's trending as though he could be the top pitching prospect in baseball by the winter. Pittsburgh's plan for the No. 5 pick in this summer's draft will be super intriguing because many believe there are four top-tier players available, but some potential wrenches at Picks 3 or 4. A few prep hitters (E.J. Booth and Jacob Lombard) have scouting reports similar to Griffin's, if the Pirates want to take another gamble.

Next to debut: Valdez and Kelly are in Triple-A and on the 40-man, though Valdez has been hot out of the gates this year, so he gets the edge.

San Diego Padres

Bradgley Rodriguez has graduated, but there might not be another member of this list graduating this season. There are several intriguing and raw pitchers in Musgrove (big stuff, below command), Cruz (starter traits), Balzer (power stuff) and Su (surprisingly firm stuff in the Spring Breakout). Wideman gets the arrow up here, though his chase rate is still something to monitor.

Next to debut: There aren't a lot of great bets here, but Mendez is on the 40-man and pitching well at Double-A, so he might be an option later in the season.