7-Day IL
Injury Undisclosed
Est. Return 8/3/2025
2025 Stats
W-L
0-0
ERA
0.00
WHIP
0.00
K
0
SV
0
Rest-of-Season Projections
2025 Fantasy Outlook
Castellano was one of the Phillies' best pitching prospects, but the Twins selected him in this offseason's Rule 5 draft so his development as a starter may be put on hold. A 23-year-old righty with a projectable 6-foot-3 frame, Castellano struck out 86 in 63.1 innings at High-A and logged a 3.79 ERA, 0.99 WHIP and 50:9 K:BB in 40.1 innings over eight starts at Double-A. He'll probably be eased into a low-leverage role as the Twins will look to keep him on the big-league roster all season in order to retain his rights. Castellano could be stretched out again in 2026. Read Past Outlooks
Signed a contract with the Phillies in July of 2018. Selected by the Twins in the 2024 Rule 5 Draft in December of 2024. Returned to the Phillies in March of 2025.
Shut down with injury again
Double-A Reading placed Castellano on its 7-day injured list Saturday due to an undisclosed injury.
Analysis
After about a three-week stay on the shelf due to another unspecified injury, Castellano was activated from Reading's IL last Thursday. He made a relief appearance in a 5-4 loss to Erie that same day and gave up three earned runs on two hits and two walks over one inning. It's unclear if Castellano aggravated the previous injury or suffered a new one in that relief appearance, but Reading moved quickly to deactivate the 24-year-old righty once again. Castellano is without a clear timeline to return to action.
After about a three-week stay on the shelf due to another unspecified injury, Castellano was activated from Reading's IL last Thursday. He made a relief appearance in a 5-4 loss to Erie that same day and gave up three earned runs on two hits and two walks over one inning. It's unclear if Castellano aggravated the previous injury or suffered a new one in that relief appearance, but Reading moved quickly to deactivate the 24-year-old righty once again. Castellano is without a clear timeline to return to action.
Pitching Stats
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Minor League Game Log
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Minor League Left/Right Pitching Splits (AA)
Since 2023
-7%
BAA vs RHP
2025
-21%
BAA vs LHP
| BAA | K | BB | H | HR | |
|---|---|---|---|---|---|
| Since 2023vs Left | .229 | 28 | 6 | 22 | 3 |
| Since 2023vs Right | .214 | 41 | 10 | 27 | 3 |
| 2025vs Left | .207 | 8 | 2 | 6 | 1 |
| 2025vs Right | .261 | 11 | 5 | 12 | 0 |
| 2024vs Left | .239 | 20 | 4 | 16 | 2 |
| 2024vs Right | .188 | 30 | 5 | 15 | 3 |
| 2023vs Left | 0 | 0 | 0 | 0 | 0 |
| 2023vs Right | 0 | 0 | 0 | 0 | 0 |
Prospect Rankings History
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Defensive Stats
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More Fantasy News
Shelved at Double-A
Double-A Reading placed Castellano on its 7-day injured list May 4 due to an unspecified injury.
Analysis
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Returned to Philadelphia
The Twins returned Castellano to the Phillies on Tuesday, Bobby Nightengale of The Minnesota Star Tribune reports.
Analysis
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Fails to make roster
The Twins informed Castellano that he won't make the Opening Day roster Sunday, so the club must place him on waivers, Bobby Nightengale of The Minnesota Star Tribune reports.
Analysis
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Still option for bullpen spot
Castellano is a candidate to win a spot in the bullpen, Bobby Nightengale of the Minnesota Star Tribune reports. The Rule 5 pick threw two scoreless innings with three strikeouts and no walks in Saturday's Grapefruit League game against Atlanta.
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Snagged in Rule 5 draft
The Twins selected Castellano with the ninth pick in the Rule 5 draft Wednesday, JJ Cooper of Baseball America reports.
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