2025 Seattle Mariners Top Fantasy Baseball Prospects

The Mariners farm system is likely one of the higher programs in baseball. Not solely have they got loads of prime expertise however they’ve a deep farm as nicely. Whereas they’ve just a few MLB-near prospects, a lot of the farm is excessive potential youthful gamers. Led by Colt Emerson, the Mariners have drafted largely highschool bats in the previous couple of years. They’ve carried out nicely within the worldwide pool as nicely with Felnin Celesten, Lazaro Montes, and Michael Arroyo. If the Mariners’ prospects can enhance in 2025 as a lot as they did in 2024, they may find yourself with eight prime 50 prospects in baseball.

Head over to the Pitcher Checklist dynasty web page to take a look at the opposite prospect rankings already printed.

NL East: Phillies, Mets, Marlins, Nationals
NL Central: Reds, Cardinals, Brewers, Pirates, Cubs
NL West: Diamondbacks, Dodgers, Giants
AL East: Crimson Sox, Yankees, Orioles, Rays, Blue Jays
AL Central: Tigers, Guardians, Twins, White Sox, Royals
AL West: Astros, Athletics, Rangers

Prime Mariners Prospects

The Prime Tier

1) Colt Emerson – SS, 19 YO

2024 MiLB Stats (ROK/A/A+): .263/.393/.376/4 HR/15 SB/ 17.3K%/ 14.9BB%

Arguably the highest general prospect in baseball, Emerson might have compelled that narrative if wholesome. Emerson has had an important begin to his skilled profession however has been restricted because of damage. With a close to 1:1 strikeout to stroll price in 2024, Emerson confirmed an important strategy. Projectability grew to become greater getting into 2024 as Emerson added some clear dimension to his body. Whereas the ability has but to translate to residence runs, Emerson has all of the instruments.

Reaching Excessive-A in his age 19 season, Emerson didn’t wrestle till these 29 video games. The hit instrument dipped, however a lot of the remainder of his sport stayed the identical. He’ll be 19 till late July, and the Mariners ought to begin him in Excessive-A. When Emerson learns to faucet into his energy, he ought to see 25/20 seasons. The hit instrument and strategy will result in plus common and OBP numbers, making Emerson a five-category menace. Many of the prospect world is excessive on Emerson and simply must see a wholesome 2025 season.

2) Cole Younger – SS, 21 YO

2024 MiLB Stats (AA): .271 / .369 / .390 / 9 HR / 23 SB / 15.8 Ok% / 12.1 BB%

Drafted out of highschool within the 2022 MLB Draft, Younger has impressed. The twenty first general decide can hit. Younger has a .279 profession MiLB common, paired with a strikeout price by no means above 16.5%. Younger and Harry Ford are the 2 probably to debut for Seattle quickly into 2025. Extra of an old-school second baseman, Younger is hit first with good pace. Younger has common energy and will be capable of faucet into 15 per season.

A top-of-the-lineup hitter, Younger ought to work his manner as much as develop into the Mariners’ lead-off hitter by 2026. A real contact strategy, Younger has been superior on the plate since he was drafted. Younger doesn’t strike out at a excessive price and manages a superb stroll price. The following step is superior pitching for the 21-year-old. Whereas it will be aggressive, the Mariners may give him a shot out of spring coaching. A crew that has wanted offensive assist, Younger could possibly be that spark if the Mariners’ offense is off to a gradual begin in 2025.

3) Jonny Farmelo – OF, 20 YO

2024 MiLB Stats (A): .264 / .398 / .421 / 4 HR / 18 SB / 23.5 Ok% / 16.3 BB%

Farmelo was my favourite upside pick of the 2023 MLB Draft. He seemed the half in his quick 2024 debut, and his instruments had been on show. Sadly, Farmelo tore his ACL and gained’t be again till August 2025. When on the sphere, Farmelo makes use of a compact, however fast and highly effective swing. The uncooked energy and plus pace make Farmelo a straightforward 20/20 candidate.

A whole lot of enhancements nonetheless should be made, however Farmelo has energy and pace in his sport. The strikeout price is the most important concern, as he had 52 Ks in 178 ABs. Farmelo confirmed a superb strategy as he managed a 16.3% stroll price. The swing choices weren’t the difficulty, however the swing and miss is in his profile. His pace is his calling card, and with a superb stroll price, he may snag north of 30 stolen bases per season. The uncooked energy ought to enable him to faucet into 20 residence runs with out concern. The hit instrument and swing and miss are going to manage what strikes Farmelo. Search for 2025 to be a slow-moving season recovering from a torn ACL.

4) Lazaro Montes – OF, 20 YO

2024 MiLB Stats (A/A+): .288 / .397 / .484 / 21 HR / 5 SB / 23.6 Ok% / 14.4 BB%

An imposing presence, Montes stands 6’3″ and 210 kilos as a 20-year-old. One of many prime prospects in baseball, Montes has drawn similarities to Yordan Alvarez. Whereas that’s almost not possible to copy, Montes is making an attempt his greatest. Constantly placing up strong numbers, Montes broke out with 21 HR in 2024. The strikeout price is one thing to observe however he saved it to 23.6% general in 2024.

The upside for Montes comes with threat, however there’s an argument he’s the clear No. 2 prospect within the Mariners system. In 51 Excessive-A video games, Montes noticed his strikeout price bounce to just about 30%. The optimistic is that he was simply 19 years outdated, and hit eight residence runs in these 51 video games. The offensive profile is at all times going to be energy first, however Montes is displaying a superb potential to hit for common. It’s simple to dream on the upside right here, and Montes may develop into a top-10 prospect in baseball in a short time in 2025.

5) Harry Ford – C/OF, 21 YO

2024 MiLB Stats (AA): .249 / .377 / .367 / 7 HR / 35 SB / 22 Ok% / 14.1 BB%

A prime prospect in baseball for what looks like some time, Harry Ford was taken Twelfth general in 2021. Instantly profitable, Ford has displayed a plus strategy and plate self-discipline. He’s by no means seen multiple stage per season however has been promoted every offseason. Ford would possibly see a extra aggressive promotion type in 2025 because the Mariners want bats. Having an out of doors shot of successful a spot out of spring coaching, Ford may see a cut up between catching and outfield.

Pace and plate self-discipline, alongside together with his defensive potential, are going to hold Ford. A 20+ steal menace every season, Ford sees extra alternatives to steal because of an important stroll price. The hit instrument has taken a dip within the final two seasons, however Ford has a fast compact swing. The upside right here is 20/20 potential from the catcher spot, which makes him a prime possibility on the place. Ford has an opportunity to make an affect in 2025 close to the center of the season.

6) Michael Arroyo – SS/2B, 20 YO

2024 MiLB Stats (A/A+): .285 / .400 / .509 / 23 HR / 18 SB / 23 Ok% / 12.3 BB%

A Mariners prospect that seemingly will get misplaced within the shuffle is Michael Arroyo. The numbers have been strong since he was signed in 2022, however 2024 was a mini breakout. Arroyo was capable of exhibit a bit of every instrument in 2024, flirting with multi-tool potential. Arroyo shall be 20 years outdated for the whole 2025 season, and he may catapult himself into the highest 50 prospects in baseball.

Splitting his video games evenly in 2024, Arroyo spent 60 video games at Low-A and Excessive-A. The small, 5’8″ prospect confirmed off the uncooked energy, hitting 23 residence runs in 2024. Including 18 steals, a .400 OBP, and a .285 common, Arroyo dominated. The cut up from Low-A to Excessive-A was even in almost each class, because the stats mirrored one another. The scale is the one concern in the meanwhile right here, as it could be robust to persistently see north of 20 HR per season. Even with a 15 HR season, Arroyo has plus bat-to-ball expertise, and good pace to make him a 4 to 5 class menace. Arroyo is a transparent prime 100 prospect and is knocking on the door of the highest 50.

7) Jurrangelo Cijntje – RHP/LHP, 21 YO

2024 MiLB Stats: N/A

The newest prime draft decide for Seattle is the electrical dual-arm-throwing Jurrangelo Cijntje. Pitching with each his proper and left palms, Cijntje is Should See TV. Extra dominant together with his RHP potential, the twin menace provides him one other benefit. He struggled as a 20-year-old within the SEC, however his second season was a distinct story. Cijntje went from 50 innings to 90.2 innings and walked 4 fewer batters with almost a five-run enchancment to the ERA. This landed him in first-round conversations the place the Mariners picked him at fifteenth in 2024.

A mid-90s fastball from the suitable aspect, Cijntje pairs that with a tough slider and changeup. The rate is there from the suitable aspect, and he has the potential to be a No. 2 or No. 3 starter within the majors. It stays to be seen how he’ll be used as a left-handed pitcher, however the stuff isn’t fairly as polished from the left aspect. Cijntje is an effective athlete and repeats his supply nicely. The clear cut up benefit from utilizing one pitcher is an fascinating one, and one thing the Mariners will play with to start out his profession.

Prospects Dynasty Managers Ought to Know

8) Felnin Celesten – SS, 19 YO

2024 MiLB Stats (ROK/AA): .352 / .431 / .568 / 3 HR / 5 SB / 19.4 Ok% / 12.5 BB%

The Mariners’ prime worldwide singing in 2023, Felnin skipped the DSL and didn’t debut till 2024. The instruments are there for Felnin as he crushed the ACL in 2024. A .352 common confirmed why the Mariners spent $4.7M on Celesten. He has an opportunity to be the Mariners No. 1 prospect halfway by 2025. The upside right here may land him just a few spots greater, however his observe document is vital. With simply 32 video games in 2024, Celesten probably would have seen some late-season Low-A motion. Search for each Low-A and Excessive-A motion from Celesten in 2025.

9) Ryan Sloan – RHP, 18 YO

2024 MiLB Stats: N/A

Drafted fifty fifth general within the 2024 MLB Draft, Sloan was mocked as a first-round expertise. The Mariners had been capable of snag him within the second spherical, and the pure expertise is a steal there. Sloan has above-average stuff throughout the board and shall be 19 years outdated for all of 2025. Sloan has a fastball that lives within the mid-90s and possesses a slider and changeup that could possibly be plus choices. Each are good proper now, however we’ll see which one performs as the higher secondary in 2025. With excessive strikeout potential, Sloan will probably see most of 2025 at Low-A.

10) Tai Peete – SS, 19 YO

2024 MiLB Stats (A): .269 / .343 / .408 / 7 HR / 45 SB / 30.7 Ok% / 10.2 BB%

Drafted thirtieth general in 2023, Peete gained’t flip 20 years outdated till August 2025. The hit instrument is at present missing and it’s resulting in a excessive strikeout price. Exterior of the hit instrument, Peete possesses loads of expertise. Plus pace and above-average uncooked energy, Peete could possibly be a 20/20 participant within the majors. Nonetheless, 162 strikeouts in simply 115 video games is a serious concern. With youth on his aspect, Peete has time to work on enhancing his bat-to-ball expertise. The upside right here provides Peete the tenth spot on the Mariners prospect listing.

11) Logan Evans – RHP, 23 YO

2024 MiLB Stats (AA): 107 IP / 3.20 ERA / 21.9 Ok% / 9.4 BB%

A Twelfth-round decide in 2023, Evans has dominated in his professional debut. With a profession 2.88 ERA in MiLB, Evans reached Double-A in 2024. Throwing solely 107 innings in 2024, Evans restricted the hits however walked a excessive quantity of batters. Projecting as a back-end starter, Evans has good, not elite stuff, and he might want to decrease that 9.4% stroll price. As he continues to see higher hitters, this would be the greatest hurdle. A prime spot begin candidate, Evans will want an damage to crack that star-studded Mariners rotation. A transfer to the bullpen or a commerce could be the quickest path to the majors for Evans.

12) Cole Phillips – RHP, 21 YO

2024 MiLB Stats: N/A

Drafted in 2022 by the Atlanta Braves, Phillips has but to pitch an expert inning. With two Tommy John surgical procedures in two seasons, Phillips has been very unfortunate. The danger is excessive right here, however the pure stuff Phillips showcased previous to the 2022 MLB Draft makes him intriguing. Drafted behind Owen Murphy in 2022, Phillips has an electrical fastball. Hoping to debut in 2025, Phillips will probably be moved slowly with an excessive innings restrict.

13) Michael Morales – RHP, 22 YO

2024 MiLB Stats (A+/AA): 149 IP / 3.02 ERA / 24.1 Ok% / 6.2 BB%

A 3rd-round pick of highschool in 2021, Morales struggled in his first three professional seasons. Unable to command his pitches and restrict contact, Morales didn’t discover success. 2024 was an entire flip of the swap for Morales. The stroll price dropped roughly three p.c, and he restricted the hits allowed. Morales pitched to a 3.02 ERA in 2024, a full 1.50 ERA decrease than his earlier season. The stuff continues to be common throughout the board, however Morales could possibly be a fourth or fifth starter if he can proceed his 2024 success.

14) Teddy McGraw – RHP, 23 YO

2024 MiLB Stats (A): 8.2 IP / 4.15 ERA / 20 Ok% / 10 BB%

A 3rd-round decide in 2023, McGraw has but to pitch a superb quantity of innings because of Tommy John surgical procedure. With simply 8.2 MiLB innings below his belt, McGraw has flashed the stuff. A real three-pitch combine pitcher, McGraw has three above-average choices. The upside is there, however the observe document isn’t. All three of his pitches challenge to be strike-out pitches, however his changeup has the best downward motion of the three. His fastball/changeup mixture was totally on show in his quick 2024 season. Search for the Mariners to open it up for McGraw in 2025.

15) Brandyn Garcia – LHP, 24 YO

2024 MiLB Stats (A+/AA): 116 IP / 2.25 ERA / 27 Ok% / 9.5 BB%

An older pitching prospect, Garcia was an Eleventh-round decide in 2023. Whereas he’s had large MiLB numbers since being drafted, Garcia has but to play above Double-A. Projected as a back-end starter, Garcia shall be examined towards higher expertise in 2025. Garcia did a superb job of limiting contact, however the stroll price is a bit excessive. With 134 strikeouts in 116 innings final season, Garcia managed to get swing and misses. His fastball is his greatest pitch, however the greatest hurdle is management as he continues to see promotions. With an actual shot to debut in 2025, Garcia may see that chance popping out of the Mariners’ bullpen.

The Subsequent 5

Though these prospects don’t crack the highest 15, dynasty managers ought to preserve their eye on these 5 gamers:

Dawel Joseph – 17 YO – The Mariners’ prime 2024 worldwide signing, Joseph had a really disappointing DSL debut.

Jeter Martinez – 18 YO – A prime worldwide signing in 2o23, Martinez has nice stuff with command being a serious impediment.

Ben Williamson – 24 YO – A second-round decide in 2023, Williamson makes good contact however doesn’t present a lot else.

Brock Rodden – 24 YO – Contact bat & utility participant with 15 HR/20 SB potential.

Josh Caron – 21 YO – A fourth-round decide in 2024, Caron hit .308 with 16 HRs in his ultimate collegiate season.