Jonny Farmelo

20-Year-Old OutfielderOF
Seattle Mariners A+
7-Day IL
Injury Ribs
Est. Return 7/25/2025
2025 Fantasy Outlook
Farmelo has only played 46 official games since the Mariners drafted him 29th overall in 2023, but he's shown an exciting fantasy upside and could be in store for a breakout 2025, even though he isn't expected to be ready for the start of the season. The tooled up center fielder did not play in regular season games in 2023 due to a concussion, but he starred in a the California League playoffs late that year. In 2024, he slashed .264/.398/.421 with four home runs, 18 steals, a 16.3 percent walk rate and a 23.5 percent strikeout rate in 46 games for Single-A Modesto before tearing his ACL in mid-June. His combination of 70-grade speed and 60-grade raw power is exciting, especially after he showed a patient approach in his pro debut. Accessing all of his power in games is still a work in progress, but he has a physical 6-foot-2, 205-pound frame and has the talent to finish his age-20 season as a top-25 prospect. Read Past Outlooks
RANKS
Rest of Season From Preseason
Signed a $3.2 million contract with the Mariners in July of 2023.
Out with rib injury
OFSeattle Mariners  A+
Ribs
June 18, 2025
High-A Everett placed Farmelo on its 7-day injured list June 1 due to a stress reaction in his rib, Cameron Van Til of SeattleSports.com reports.
Analysis
Farmelo last appeared in a game May 23 before being placed on the shelf just over a week later. Mariners general manager Justin Hollander announced last Friday that Farmelo is facing a 4-to-6-week recovery timeline, so the 20-year-old outfield prospect looks like he'll be on the shelf at least through the All-Star break. Farmelo got off to a delayed start to the 2025 campaign while completing his recovery from the torn ACL in his right knee that he suffered last June, but he had been productive at the plate prior to suffering the rib injury, slashing .300/.368/.667 over 16 games. However, after swiping 18 bags in 45 games at Single-A Modesto in 2024, Farmelo had been conservative on the basepaths coming off the knee surgery, as he has yet to even attempt a steal in 2025.
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Batting Stats
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Minor League Game Log
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Minor League Left/Right Batting Splits (A+)
Since 2023
 
 
+32%
OPS vs RHP
2025
 
 
+47%
OPS vs RHP
2024
No Stats
2023
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2023vs Left .762 13 1 2 .182 .308 .455
Since 2023vs Right 1.004 53 4 10 .313 .358 .646
2025vs Left .720 13 1 2 .182 4.000 .455
2025vs Right 1.060 53 4 10 .313 19.000 .646
2024vs Left 0 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0 0
2023vs Left 0 0 0 0 0 0 0 0 0
2023vs Right 0 0 0 0 0 0 0 0 0
Prospect Rankings History
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Recent RotoWire Articles Featuring Jonny Farmelo See More
Recent RotoWire Articles Featuring Jonny Farmelo See More
2024 Fantasy Outlook
Farmelo was one of three prep position players to receive at least a $2.5 million bonus from the Mariners after being selected in the 22-30 overall range of the 2023 draft. Unlike his new org. mates Colt Emerson and Tai Peete, Farmelo didn't get into a regular-season game after signing due to a concussion, so he doesn't have any official stats, but but he did hit a clutch home run during Single-A Modesto's run to a California League postseason title. The 6-foot-2, 205-pound center fielder is a plus-plus runner who projects to be a quality defender. It's easy to envision him developing 25-homer power, and the big question is how good of a pure hitter he will turn into.
More Fantasy News
Ready for season debut
OFSeattle Mariners  A+
April 29, 2025
Farmelo (knee) was reinstated from Single-A Modesto's 7-day injured list Tuesday and assigned to High-A Everett.
Analysis
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Expected to miss half of 2025
OFSeattle Mariners  A+
Knee
December 9, 2024
Farmelo (knee) is not expected to be able to play until midseason in 2025, Ryan Divish of The Seattle Times reports.
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Suffers torn ACL
OFSeattle Mariners  A+
Knee
June 15, 2024
Single-A Modesto placed Farmelo on its 7-day injured list Friday after he was diagnosed with a torn ACL in his right knee, Ryan Divish of The Seattle Times reports.
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Heating up for Modesto
OFSeattle Mariners  A+
May 16, 2024
Farmelo is hitting .368 with a .500 OBP, three doubles, four steals and an 11:9 K:BB in his last 10 games for Single-A Modesto.
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Heading to Seattle
OFSeattle Mariners  A+
July 9, 2023
The Mariners have selected Farmelo with the 29th overall pick in the 2023 First-Year Player Draft.
Analysis
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