2025 Stats
W-L
0-0
ERA
0.00
WHIP
0.00
K
0
SV
0
2026 Projections
2026 Fantasy Outlook
Cijntje was seen as a potential mid-rotation starter when Seattle selected him 15th overall out of Mississippi State in 2024, and his dynasty value got a boost due to the ideal landing spot. Most famous for being a switch-pitcher, Cijntje got shelled as a lefty in his debut season, giving up two homers while walking 19 batters in 62 plate appearances, so perhaps he'll stick to pitching righty in 2026. All told, he logged a 3.99 ERA, 1.22 WHIP, 120:51 K:BB in 108.1 innings across High-A and Double-A. Control was his biggest weakness, but he had a perfectly fine 8.1 percent walk rate as a righty, so this offseason could represent a modest buy-low opening in dynasty leagues. He sits in the mid-90s with his plus fastball and boasts an upper-80s slider that is a wipeout offering against righties (.480 OPS against in 223 PA against righties as a righty). Cijntje's floor is comfortably established as a potential setup man on the strength of his fastball and slider, but if he can find a weapon to neutralize lefties, he could make good on his pre-draft mid-rotation upside. Read Past Outlooks
Moving up to Double-A
The Mariners promoted Cijntje from High-A Everett to Double-A Arkansas on Sunday, Adam Jude of The Seattle Times reports.
Analysis
A 22-year-old switch-pitcher, Cijntje has posted a 4.58 ERA and 1.20 WHIP with 83 strikeouts over 74.2 innings in 19 appearances with Everett this season. Though he's a natural southpaw, Cijntje is considered more advanced as a right-handed pitcher, which has been reflected in his splits at Everett. Over 28.1 innings against left-handed hitters, Cijntje allowed a .262 batting average and posted a 28:25 K:BB, whereas righties batted just .161 in 45.2 innings while he amassed a 55:10 K:BB.
A 22-year-old switch-pitcher, Cijntje has posted a 4.58 ERA and 1.20 WHIP with 83 strikeouts over 74.2 innings in 19 appearances with Everett this season. Though he's a natural southpaw, Cijntje is considered more advanced as a right-handed pitcher, which has been reflected in his splits at Everett. Over 28.1 innings against left-handed hitters, Cijntje allowed a .262 batting average and posted a 28:25 K:BB, whereas righties batted just .161 in 45.2 innings while he amassed a 55:10 K:BB.
Pitching Stats
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Minor League Game Log
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Minor League Left/Right Pitching Splits (AA)
Since 2023
-11%
BAA vs RHP
2025
-11%
BAA vs RHP
| BAA | K | BB | H | HR | |
|---|---|---|---|---|---|
| Since 2023vs Left | .232 | 18 | 14 | 13 | 0 |
| Since 2023vs Right | .206 | 19 | 2 | 14 | 1 |
| 2025vs Left | .232 | 18 | 14 | 13 | 0 |
| 2025vs Right | .206 | 19 | 2 | 14 | 1 |
| 2024vs Left | 0 | 0 | 0 | 0 | 0 |
| 2024vs Right | 0 | 0 | 0 | 0 | 0 |
| 2023vs Left | 0 | 0 | 0 | 0 | 0 |
| 2023vs Right | 0 | 0 | 0 | 0 | 0 |
Prospect Rankings History
Advanced Pitching Stats
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Defensive Stats
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More Fantasy News
Headed to Seattle
The Mariners have selected Cijntje with the 15th overall pick in the 2024 First-Year Player Draft.
Analysis
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Latest Fantasy Rumors
Club OK trading him for Donovan
The Mariners are willing to trade Cijntje in a potential deal for Brendan Donovan, Ryan Divish of the Seattle Times reports.
Analysis
Divish writes that the Mariners and Cardinals have "engaged in lengthy discussions" about Donovan, but nothing appears close at this point as St. Louis weighs overtures from several teams about its super utility player. The Mariners are hesitant to trade from their major-league roster, but Cijntje -- a first-round pick in the 2024 First-Year Player Draft -- can evidently be had. The switch pitcher collected a 3.99 ERA and 120:51 K:BB over 108.1 innings between High-A Everett and Double-A Arkansas in 2025 in his first professional season.
Divish writes that the Mariners and Cardinals have "engaged in lengthy discussions" about Donovan, but nothing appears close at this point as St. Louis weighs overtures from several teams about its super utility player. The Mariners are hesitant to trade from their major-league roster, but Cijntje -- a first-round pick in the 2024 First-Year Player Draft -- can evidently be had. The switch pitcher collected a 3.99 ERA and 120:51 K:BB over 108.1 innings between High-A Everett and Double-A Arkansas in 2025 in his first professional season.