Brayan Bello

Brayan Bello

27-Year-Old PitcherSP
Boston Red Sox
2026 Fantasy Outlook
Bello's 3.35 ERA looks strong on the surface, but underlying metrics suggest it should have been closer to a run higher. He benefited from an unusually low BABIP for a groundball pitcher and a favorable left-on-base rate. Although he sharpened his control and did a better job limiting home runs, his strikeout rate dropped sharply to a modest 17.7 percent. A shift in pitch mix contributed to the decline: he threw more four-seamers and added a cutter while reducing his slider and changeup usage, even though those two pitches generate most of his whiffs. The Red Sox have a solid track record of helping pitchers adjust, so there's a pathway for Bello to regain some of his lost swing-and-miss ability. Still, if the strikeout rate remains low, his ERA is likely to fall in line with the estimators. Read Past Outlooks
RANKS
Rest of Season From Preseason
#325
ADP
Signed a six-year, $55 million contract extension with the Red Sox in March of 2024. Contract includes $21 million team option ($1 million buyout) for 2030. Contract includes $200,000 bonus for All-Star Game selections.
Stellar again in bulk relief
PBoston Red Sox
May 29, 2026
Bello did not factor into the decision in Friday's 4-3 loss to the Guardians, allowing four hits and no walks with five strikeouts over seven scoreless innings.
Analysis
Bello entered in the second inning with a 4-0 deficit and dominated, needing just 63 pitches to complete seven scoreless frames while generating 11 whiffs. He'll finish May with a 2.67 ERA in 30.1 innings, with the bulk of his damage coming in his lone start of the month while he yielded just two earned runs across four relief appearances. He owns a 5.63 ERA, 1.64 WHIP and 40:21 K:BB over 56 innings this season and lines up for a home matchup against the Orioles next week.
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Pitching Stats
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2026 MLB Game Log
2026
2025
2024
2023
2022
2026 MLB Game Log
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2025 MLB Game Log
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2024 MLB Game Log
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2023 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
85
Last 10 Games
85
Last 5 Games
87
How many pitches does Brayan Bello generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Brayan Bello generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2024
 
 
-4%
BAA vs RHP
2026
 
 
-15%
BAA vs RHP
2025
 
 
-5%
BAA vs LHP
2024
 
 
-8%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .261 916 153 98 207 42 1 30
Since 2024vs Right .250 718 159 46 164 22 0 15
2026vs Left .349 126 14 14 38 5 0 8
2026vs Right .296 106 21 7 29 5 0 2
2025vs Left .232 411 67 41 83 18 1 9
2025vs Right .243 289 57 18 64 5 0 7
2024vs Left .262 379 72 43 86 19 0 13
2024vs Right .241 323 81 21 71 12 0 6
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2024
 
 
-8%
ERA at Home
2026
 
 
-52%
ERA at Home
2025
 
 
-13%
ERA on Road
2024
 
 
-13%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2024Home 4.06 1.40 197.1 14 10 0 7.6 3.7 0.8
Since 2024Away 4.43 1.32 180.2 13 12 0 7.3 3.1 1.3
2026Home 3.86 1.66 18.2 0 1 0 9.2 4.3 0.5
2026Away 8.01 1.88 30.1 2 4 0 4.7 3.6 2.7
2025Home 3.53 1.30 102.0 8 5 0 6.8 3.3 0.7
2025Away 3.06 1.13 64.2 3 4 0 6.5 3.1 1.1
2024Home 4.81 1.46 76.2 6 4 0 8.2 4.1 1.1
2024Away 4.20 1.27 85.2 8 4 0 8.7 3.0 1.1
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Stat Review
How does Brayan Bello compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
1.67
 
K/9
6.4
 
BB/9
3.9
 
HR/9
1.8
 
Fastball
94.6 mph
 
ERA
6.43
 
WHIP
1.80
 
BABIP
.356
 
GB/FB
1.93
 
Left On Base
66.2%
 
Exit Velocity
84.2 mph
 
Barrels/BBE
7.6%
 
Spin Rate
2058 rpm
 
Balls Hit 95+ MPH
31.2%
 
Swinging Strike
11.4%
 
Prospect Rankings History
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Brayan Bello See More
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Past Fantasy Outlooks
2025
2024
2023
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.
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.
After dominating at Double-A Portland and Triple-A Worcester, Bello was promoted in early July and immediately inserted into the Red Sox rotation. The righty was overmatched and sent back to Triple-A in early August. Bello was recalled three weeks later and gathered much better results. He registered a 3.12 ERA down the stretch, albeit with an inflated 1.56 WHIP, stemming from a .336 BABIP over that 36.1 inning sample. Bello needs to work on his control, but he throws 97-mph and possesses a plus changeup. With some fine tuning and seasoning, Bello could be a rotation staple. It remains to be seen if Bello makes the necessary adjustments and breaks camp in Boston's rotation.
More Fantasy News
Following opener Friday
PBoston Red Sox
May 28, 2026
Bello is set to pitch in bulk relief behind opener Tyler Samaniego during Friday's game against Cleveland, Ari Alexander of 7 News Boston reports.
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Continues to thrive in long relief
PBoston Red Sox
May 23, 2026
Bello took a no-decision Saturday against the Twins, allowing two unearned runs on eight hits and one walk in five innings of relief. He struck out five.
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Working behind Moran on Saturday
PBoston Red Sox
May 23, 2026
Bello is slated to work in bulk relief behind opening pitcher Jovani Moran in Saturday's game against the Twins, Gabrielle Starr of the Boston Herald reports.
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Jumped early in loss
PBoston Red Sox
May 17, 2026
Bello (2-5) took the loss against Atlanta on Sunday, allowing seven runs on eight hits and three walks with one strikeout over five innings.
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Starting Sunday vs. Atlanta
PBoston Red Sox
May 16, 2026
Bello will start in Sunday's series finale against Atlanta, Tim Healey of The Boston Globe reports.
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Latest Fantasy Rumors
Emerging in trade talks
PBoston Red Sox
January 30, 2026
Bello has been discussed in recent trade talks, according to Jen McCaffrey of The Athletic.
Analysis
The Red Sox have upgraded their rotation by adding Sonny Gray, Ranger Suarez and Johan Oviedo, so Bello might have more value as a trade chip. The right-hander posted a 3.35 ERA, 1.24 WHIP and 124:59 K:BB over 166.2 innings in 29 regular-season games in 2025.
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