15-Day IL
Injury Shoulder
Est. Return 4/11/2025
2025 Stats
W-L
0-0
ERA
0.00
WHIP
0.00
K
0
SV
0
Rest-of-Season Projections
2025 Fantasy Outlook
Bello signed a six-year extension during spring training, picked up an Opening Day win and early on looked like a No. 1 starter. Then the walks started. He went from 76th percentile in BB% (6.7) in 2023 to 33rd (9.1) in 2024. The right-hander managed to win 14 games but needed good run support during the rough patches. Bello's 4.49 ERA was the worst among starters with at least that many wins. Walks don't always kill, but they hurt during the first half when he allowed 14 home runs over 89.2 innings (1.4 HR/9) and entered the break with a 5.32 ERA. The walks didn't stop in the second half, but Bello was able to prevent damage through better location which kept the ball in the park; he allowed just five homers in 72.2 innings (0.6 per nine) following the break. The pressure to lead the staff won't be on the 25-year-old in 2025, as Bello should slot behind Garrett Crochet and Tanner Houck -- and possibly Walker Buehler. Read Past Outlooks
Set to begin rehab assignment
Bello (shoulder) will begin a rehab assignment with Triple-A Worcester on Tuesday, Ian Browne of MLB.com reports.
ANALYSIS
Bello missed all of spring training after straining his right shoulder in mid-February. He's made good progress in his throwing program and is slated to pitch at least two times during his rehab assignment with Worcester. There's optimism in Boston's clubhouse that Bello could return from the 15-day IL when first eligible April 11, which is when the Red Sox would begin a three-game road series against the White Sox.
Bello missed all of spring training after straining his right shoulder in mid-February. He's made good progress in his throwing program and is slated to pitch at least two times during his rehab assignment with Worcester. There's optimism in Boston's clubhouse that Bello could return from the 15-day IL when first eligible April 11, which is when the Red Sox would begin a three-game road series against the White Sox.
Pitching Stats
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2025
2024
2023
2022
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Left/Right Pitching Splits
Since 2023
-18%
BAA vs RHP
2025
No Stats
| BAA | K | BB | H | HR | ||||
|---|---|---|---|---|---|---|---|---|
| Since 2023vs Left | .286 | 116 | 64 | 179 | 26 | |||
| Since 2023vs Right | .235 | 169 | 45 | 143 | 17 | |||
| 2025vs Left | 0 | 0 | 0 | 0 | 0 | |||
| 2025vs Right | 0 | 0 | 0 | 0 | 0 | |||
| 2024vs Left | .262 | 72 | 43 | 86 | 13 | |||
| 2024vs Right | .241 | 81 | 21 | 71 | 6 | |||
| 2023vs Left | .313 | 44 | 21 | 93 | 13 | |||
| 2023vs Right | .229 | 88 | 24 | 72 | 11 | |||
| More Splits→ | View More Split Stats | |||||||
Home/Away Pitching Splits
Since 2023
-2%
ERA at Home
2025
No Stats
| ERA | WHIP | IP | K/9 | BB/9 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Since 2023Home | 4.32 | 1.40 | 158.1 | 7.8 | 3.4 | ||||
| Since 2023Away | 4.42 | 1.30 | 161.0 | 8.2 | 2.8 | ||||
| 2025Home | 0 | 0 | 0 | 0 | 0 | ||||
| 2025Away | 0 | 0 | 0 | 0 | 0 | ||||
| 2024Home | 4.81 | 1.46 | 76.2 | 8.2 | 4.1 | ||||
| 2024Away | 4.20 | 1.27 | 85.2 | 8.7 | 3.0 | ||||
| 2023Home | 3.86 | 1.35 | 81.2 | 7.5 | 2.6 | ||||
| 2023Away | 4.66 | 1.33 | 75.1 | 7.6 | 2.5 | ||||
| More Splits→ | View More Split Stats | ||||||||
Prospect Rankings History
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Defensive Stats
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Stats Vs Today's Lineup
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Past Fantasy Outlooks
2024
2023
Bello exhibited some improvement in his first full season, but he still has work to do if he wants to be a front of the rotation starter. He improved his control, but it came at the expense of strikeouts. Bello has the raw stuff to be more dominant, but he's yet to establish a third pitch to complement his sinker and outstanding changeup. Not only was his swinging strike percentage below average, but his called strike percentage was well below average, resulting in one of the lowest CSW% among pitchers throwing at least 150 innings. Bello has the arsenal to improve both swinging and called strikes, he just needs to find the right sequencing. Bello should have a rotation spot locked up and won't have any innings restrictions. The cost to see if he can take the nest step shouldn't be prohibitive, but he's in the wrong division, with the wrong home park to use in a streaming capacity.
More Fantasy News
IL move made official
The Red Sox placed Bello on the 15-day injured list Thursday with a right shoulder strain, Mac Cerullo of the Boston Herald reports.
ANALYSIS
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Should join rotation early
Bello (shoulder) expects to be activated by the first or second week of April, Christopher Smith of MassLive.com reports.
ANALYSIS
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Set for bullpen Saturday
Bello (shoulder) is set to throw a bullpen session Saturday, Jen McCaffrey of The Athletic reports.
ANALYSIS
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Ruled out for Opening Day
Red Sox manager Alex Cora said Tuesday that Bello (shoulder) will not be ready for Opening Day but is expected back sometime in April, Jen McCaffrey of The Athletic reports.
ANALYSIS
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Opening Day looking unlikely
Manager Alex Cora said Saturday that Bello (shoulder) is still behind schedule but is progressing well, Rob Bradford of WEEI.com reports.
ANALYSIS
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Latest Fantasy Rumors
Season turned around?
Bello has a 3.57 ERA, 1.24 WHIP and 38:15 K:BB in 40.1 innings across his past seven starts.
ANALYSIS
The right-hander had a 5.55 ERA and 1.47 WHIP at the end of June, but he's pitched better of late and has lowered those figures to 4.80 and 1.41, respectively. Bello hasn't lost a start since June 25, but walks and homers continue to be a concern, as he has a 3.3 BB/9 and seven homers allowed in those last seven outings.
The right-hander had a 5.55 ERA and 1.47 WHIP at the end of June, but he's pitched better of late and has lowered those figures to 4.80 and 1.41, respectively. Bello hasn't lost a start since June 25, but walks and homers continue to be a concern, as he has a 3.3 BB/9 and seven homers allowed in those last seven outings.