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Top 10 Fantasy Baseball Prospect Rankings: First Basemen (2025)

These prospect rankings are based on fantasy value, not real-life value. Considering such, hitters generally weigh a bit heavier for me due to the injury risk and higher volatility of prospect pitchers. Proximity to the majors is also prominent in the equation, though these prospect fantasy baseball rankings are focused on long-term/dynasty outlooks. Think of these rankings as more of a five-year plan.

Rather than getting into writing mini-bios on all prospects, I’ve decided to keep my rankings simple by providing the 2024 stats of each player across all levels, plus a player comp, a small blurb on their prime skills for fantasy and an explanation of my ranking.

I’ve also included updated fScores for any players I expect to debut in 2025, which highlights what my fScore projections believe the player is capable of at the pro level for immediate impact.

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Top 10 Fantasy Baseball Prospect Rankings: First Basemen

I know most people don’t care to read 250-500 words on each player, so using both box score scouting and film review, I have provided comps for each prospect. For fun, note that comps may be based on mechanics, body type, pitching arsenal or similar skills & box score style and how I think each prospect will perform once in the Majors over the next five seasons or so.

All-in-all, rankings paired with statistical info and a player comp will hit the sweet spot for the broadest category of people reading these prospect fantasy baseball rankings (or listening/watching the Fantasy Aceball podcast).

NOTE: Rookie status is determined by 130 at-bats or 50 innings pitched at the Major League level.

Full Top 150 Prospect rankings:

1. Bryce Eldridge (1B – SF)

  • 2024 A/A+/AA/AAA: .289/.372/.513 | 11.4 BB%, 25.4 K% | 52 XBH, 23 HR, 6 SB
  • Age: 20
  • ETA: Late 2025 (August / September)
  • fScores: 103 fContact, 99 fDiscipline, 101 fPower, 89 fSpeed
  • Comp: Taller Matt Olson with more gaps in the hit tool to work on
  • Prime Skills: Bryce Eldgride has big-time power potential at a huge 6-foot-7 and 223-pound frame, but he needs to close the gaps in his swing to avoid being overexposed to strikeouts. He’s done a much better job at showing a good eye for walks, but the strikeout rate and swinging strike issues still exist. Even though we don’t have a ton of Statcast data (20 batted ball events), he only had a 76.8% Z-Contact%.
  • Ranking Explanation: Eldridge has big-time power potential and the athleticism to rack up doubles in the event San Francisco Bay winds hold back the power ala Brandon Belt. He will have to work through the long swing to close the gaps in his contact%, but San Francisco has been aggressive with him. I kept Eldridge ahead of Kurtz despite the fScores being big on Kurtz because I believe the power ceiling might be higher for Eldridge, even though Kurtz also has a ballpark edge at the moment hitting in Sacramento.
  • Top 150 Ranking: 15

2. Nick Kurtz (1B – ATH)

  • 2024 College: .306/.531/.763 | 34 XBH, 22 HR, 4 SB
  • 2024 A/AA: .368/.520/.763 | 24 BB%, 20 K% | 7 XBH, 4 HR, 1 SB
  • Age: 22
  • ETA: Early 2025
  • fScores: 106 fContact, 129 fDiscipline, 115 fPower, 86 fSpeed
  • Comp: Joey Votto-esque profile
  • Prime Skills: Nick Kurtz has big-time plate skills with above-average power and a very solid hit tool. Think Kyle Manzardo with more power and a higher ceiling on the hit tool. He was a beast in his limited debut and returned in the Arizona Fall League from a hamstring injury.
  • Ranking Explanation: Kurtz is getting an Athletics bump for me, surprisingly, because if you haven’t noticed, they have been right on the dot with developing players they drafted over the last few years. I trust the hit tool and plate skills and the fScores love him. I think he will be a beast in points leagues for a long time forward. It will be interesting to see who debuts first between Kurtz and Eldridge, but Kurtz was so good I wouldn’t be surprised to see him force his way onto the Opening Day roster ala Wyatt Langford last year — especially with how aggressive the Athletics have been this offseason.
  • Top 150 Ranking: 16

3. Jac Caglianone (1B – KC)

  • 2024 College: .419/.544/.875 | 43 XBH, 35 HR, 4 SB
  • 2024 A+: .241/.302/.388 | 5.6 BB%, 20.6 K% | 12 XBH, 2 HR, 2 SB (29 games)
  • Age: 22
  • fScores: N/A
  • Comp: Matt Olson
  • Prime Skills: Massive power potential, so much so that Jac Caglianone only hit eight doubles in college. He could get some reps pitching, but it’s highly doubtful unless they try him as a relief pitcher/first baseman. He showed off some nice power in the Arizona Fall League (five bombs with four doubles and 21 RBI), but there are some obvious holes in his swing he needs to correct. It should be noted that Caglianone had superior plate skills to Charlie Condon in college.
  • Ranking Explanation: Caglianone is going to hit tanks, but the big question is whether or not he can make enough contact to be like Matt Olson rather than Joey Gallo. He had similar home/road splits as Condon. With Vinnie Pasquantino ahead of him on the depth chart, I think he takes all of 2025, at least, to bake in the Minors and work on contact. In an ideal world, he would make Bryce Eldridge-like strides in 2025. I don’t want to make the same mistake twice (originally being low on Eldridge) and will buy the hit tool catching up to the power rather than dismissing the hit tool entirely.
  • Top 150 Ranking: 28

4. Tyler Black (1B/2B – MIL)

  • 2024 AAA: .258/.374/.429 | 13.2 BB%, 18.8 K% | 33 XBH, 14 HR, 20 SB (102 games)
  • 2024 MLB: .204/.316/.245 | 12.3 BB%, 29.8 K% | 2 XBH, 0 HR, 3 SB (18 games)
  • Age: 24
  • ETA: Opening Day (debuted in 2024)
  • fScores: 92 fContact, 123 fDiscipline, 72 fPower, 173 fSpeed
  • Comp: Nolan Schanuel with speed
  • Prime Skills: Tyler Black has ridiculously good plate skills to go along with high-end speed and a solid hit tool, but with below-average power — especially if he ends up on a corner. The exit velocities are fine for a middle infielder, but the defense might be too poor to keep him at the position, which makes him a bit of a nomad.
  • Ranking Explanation: There’s a huge drop between the top three first-basemen prospects and this spot with Black. If he could play a solid second base for the Brewers he would be higher on the list, but he has spent the majority of his time at first rather than at other positions. He might end up a bench hitter. Black has a weird profile for a first baseman as a plate skill and speed guy. Due to defensive limitations, I’m not sure he will ever be more than a super utility guy.
  • Top 150 Ranking: 76

5. Xavier Isaac (1B – TB)

  • 2024 A+/AA: .264/.370/.480 | 13.3 BB%, 33.3 K% | 41 XBH, 18 HR, 15 SB
  • Age: 21
  • Comp: Vinnie Pasquantino with speed
  • ETA: Late 2025 (cup of coffee)
  • fScores: 93 fContact, 98 fDiscipline, 93 fPower, 103 fSpeed
  • Prime Skills: Xavier Isaac has a sweet lefty swing and wide-open stance with all-field power. Some of his best highlights are of him lining high heat out of the park. How he still gets under those and hits them hard enough to get out is a pretty sight to see. A ridiculous number of his homers are no-doubters. He is big-bodied and maintains his athleticism, but has some strikeout issues. Ran some good batting average on balls in play (BABIP) luck in 2024.
  • Ranking Explanation: Isaac had some atrocious strikeout issues once he was promoted to AA and was completely exposed, but he was young for the level, so we should provide him some grace. I give Black the edge over Isaac for proximity and the fact he at least has the big speed-carrying tool that might lead to being useful for fantasy, while Isaac has a ton of work to do to get to even being a pro in an organization where guys tend to debut later.
  • Top 150 Ranking: 78

6. Zach Dezenzo (1B/3B – HOU)

  • 2024 CPX/AA/AAA: .299/.385/.492 | 11.5 BB%, 22.6 K% | 24 XBH, 7 HR, 5 SB (52 games)
  • 2024 MLB: .242/.277/.371 | 4.6 BB%, 33.8 K% | 4 XBH, 2 HR, 0 SB
  • Age: 25
  • ETA: Opening Day (debuted in 2024)
  • fScores: 96 fContact, 92 fDiscipline, 98 fPower, 103 fSpeed
  • Comp: A bigger, more athletic Chas McCormick — ceiling would be Adolis Garcia-light stats
  • Prime Skills: PZach Dezenzo is a power/speed combo hitter who has to work on his hit tool (75% Z-Contact% in his debut). However, he can take a walk and will excel against fastballs with above-average exit velocities. Needs to work on reducing his strikeout rate.
  • Ranking Explanation: Dezenzo missed a good chunk of 2024 with a wrist injury, but he worked his way to the Majors with a nice minor league season. Should compete with Shay Whitcomb for the starting third baseman role in 2025 assuming Alex Bregman doesn’t re-sign or Nolan Arenado is not brought in (which are still possibilities as of this writing).
  • Top 150 Ranking: 102

7. Deyvison De Los Santos (1B – MIA)

  • 2024 AA/AAA: .294/.343/.571 | 5.8 BB%, 24.7 K% | 67 XBH, 40 HR, 1 SB
  • Age: 22
  • ETA: Early 2025
  • fScores: 93 fContact, 45 fDiscipline, 108 fPower, 71 fSpeed
  • Comp: Christian Encarnacion-Strand
  • Prime Skills: Deyvison De Los Santos has big-time power potential with an improved contact rate and a decrease in strikeouts in 2024. De Los Santos has rocked a 116 max exit velocity (better than Coby Mayo) and had about a 92 average exit velocity in AAA in 2024.
  • Ranking Explanation: De Los Santos was traded to the Marlins where he has a nice shot to be up early in the season or break the roster this spring. The question is going to be if he can keep the strikeout rate down enough to be an effective Major-league hitter. The chase rate is still high at 45% at AAA and the Z-contact% is 76.7% — both are extremely poor. He could have some decent seasons because of the power upside and aggressiveness, but he will also likely be exposed for some terrible strikeout rates in the Majors.
  • Top 150 Ranking: 115

8. Ralphy Velazquez (1B – CLE)

  • 2024 A/A+: .231/.347/.385 | 14.6 BB%, 21 K% | 35 XBH, 11 HR, 8 SB
  • Age: 20
  • ETA: Late 2026
  • fScores: N/A
  • Comp: More athletic Anthony Rizzo
  • Prime Skills: Great hit tool with power, plate skills and some speed, Ralphy Velazquez had some bad luck in 2024. He performed extremely poorly in High-A, but he was young for that level and has time to rebound.
  • Ranking Explanation: Velazquez was the Guardians’ first-round pick, so this isn’t coming out of nowhere, but he has been especially impressive in the Florida Complex League (CPX) and High-A ball. Despite being a corner guy, he is a big name to watch moving forward for a nice rebound once he adjusts to the new level. He had an underwhelming 2024 season after a very nice 2023 debut, but he’s still young for High-A and could make some nice strides forward in 2025.
  • Top 150 Ranking: 122

9. Tyler Locklear (1B – SEA)

2024 AA/AAA: .272/.382/.468 | 12.3 BB%, 24.7 K% | 47 XBH, 16 HR, 9 SB

  • 2024 MLB: .156/.224/.311 | 6.1 BB%, 40.8 K% | 3 XBH, 2 HR, 1 SB (16 games)
  • Age: 24
  • ETA: Opening Day (debuted in 2024)
  • fScores: 93 fContact, 81 fDiscipline, 96 fPower, 114 fSpeed
  • Comp: Mitch Haniger-ish profile with a righty Carlos Beltran stance
  • Prime Skills: Hit tool? Check. Power tool? Check — near 92 miles per hour (MPH) average exit velocity at AAA. Slight speed with improving plate skills? I’m in. I think he could pace out for a 25-homer, 10-steal hitter in the future if he has regular run and could put up a Nate Lowe-type profile in his peak.
  • Ranking Explanation: Locklear is a first baseman and I’m just not someone who will generally be high on first basemen prospects (as can be seen by their overall rankings) because it’s easy for them to get blocked. Locklear is “blocked” on roster resources by Luke Raley and Mitch Haniger. If he performs well in Spring Training he could force his way onto the Opening Day roster and into a starting spot, at least in a platoon. Locklear projects out as a solid high-floor option with regular playing time, but nothing special.
  • Top 150 Ranking: 131

10. Cam Collier (1B – CIN)

  • 2024 A+: .248/.355/.443 | 13 BB%, 25 K% | 42 XBH, 20 HR, 2 SB
  • Age: 20
  • ETA: Late 2026
  • fScores: N/A
  • Comp: Rafael Devers and MJ Melendez mash-up
  • Prime Skills: Cam Collier is a shorter guy who plays third base now, but will probably move off the position to first base. He has solid plate skills and mad power, but we will have to see how the contact skills play out. He is a future zero in speed.
  • Ranking Explanation: Collier has a high power upside, but he needs to show more consistency. He has weeks where he will go on an absolute tear and then weeks where he does nothing. The inconsistency bumps him out of my top 150 prospect rankings. I give Locklear the edge as I don’t think Collier has shown anything much better than Locklear, but has a lower floor.
  • Top 150 Ranking: 155

Runners Up

  1. Mike Boeve (1B/3B – MIL) — Top 250 Ranking: 164
  2. Ryan Clifford (OF – NYM) — Top 250 Ranking: 168
  3. CJ Kayfus (1B – CLE) — Top 250 Ranking: 191
  4. Tre’ Morgan (1B – TB) — Top 250 Ranking: 214
  5. Engelth Urena (C/1B – NYY) — Top 250 Ranking: Brewers – 215

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