7-Day IL
Injury Undisclosed
Est. Return 6/4/2025
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
Shelved at Double-A
Double-A Reading placed Castellano on its 7-day injured list May 4 due to an unspecified injury.
ANALYSIS
A Rule 5 selection by the Twins in December, Castellano was returned to the Phillies after Minnesota was unwilling to include the 24-year-old righty on its Opening Day roster coming out of spring training. Castellano began the season in Reading, where he posted a 3.60 ERA, 1.07 WHIP and 16:2 K:BB in 15 innings while working in a swingman role before he was shut down with the injury.
A Rule 5 selection by the Twins in December, Castellano was returned to the Phillies after Minnesota was unwilling to include the 24-year-old righty on its Opening Day roster coming out of spring training. Castellano began the season in Reading, where he posted a 3.60 ERA, 1.07 WHIP and 16:2 K:BB in 15 innings while working in a swingman role before he was shut down with the injury.
Pitching Stats
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Minor League Game Log
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Minor League Left/Right Pitching Splits (AA)
Since 2023
-10%
BAA vs RHP
2025
-14%
BAA vs LHP
| BAA | K | BB | H | HR | |
|---|---|---|---|---|---|
| Since 2023vs Left | .237 | 27 | 6 | 22 | 3 |
| Since 2023vs Right | .214 | 40 | 7 | 25 | 3 |
| 2025vs Left | .231 | 7 | 2 | 6 | 1 |
| 2025vs Right | .270 | 10 | 2 | 10 | 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
Advanced Pitching Stats
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Defensive Stats
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More Fantasy News
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.
ANALYSIS
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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.
ANALYSIS
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Impressing at Double-A
Castellano has a 3.79 ERA, 0.99 WHIP and 50:9 K:BB in 40.1 innings across eight starts for Double-A Reading.
ANALYSIS
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