Sean Hjelle

Sean Hjelle

28-Year-Old PitcherRP
San Francisco Giants AAA
2025 Fantasy Outlook
There was no outlook written for Sean Hjelle in 2025. Check out the latest news below for more on his current fantasy value.
Signed a one-year contract with the Giants in March of 2025.
Sent down to Triple-A
PSan Francisco Giants  AAA
June 27, 2025
The Giants optioned Hjelle to Triple-A Sacramento on Friday, Alex Pavlovic of NBC Sports Bay Area reports.
Analysis
Hjelle was called up in early June to serve out of the bullpen and accumulated a 4.09 ERA and a 7:7 K:BB before yielding four runs in one inning Thursday against Miami. He'll cede his spot on the active roster to Carson Seymour.
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Pitching Stats
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2025 MLB Game Log
2025
2024
2023
2022
2025 MLB Game Log
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2024 MLB Game Log
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2023 MLB Game Log
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2022 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
22
Last 10 Games
22
Last 5 Games
16
How many pitches does Sean Hjelle 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 Sean Hjelle 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 2023
 
 
-11%
BAA vs LHP
2025
 
 
-18%
BAA vs RHP
2024
 
 
-14%
BAA vs LHP
2023
 
 
-12%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .263 237 45 18 55 5 1 13
Since 2023vs Right .295 295 70 17 80 13 1 2
2025vs Left .316 24 3 5 6 1 0 1
2025vs Right .259 32 6 3 7 2 0 1
2024vs Left .245 153 30 8 34 3 1 9
2024vs Right .286 184 45 6 50 6 0 1
2023vs Left .294 60 12 5 15 1 0 3
2023vs Right .333 79 19 8 23 5 1 0
Home/Away Pitching Splits
Since 2023
 
 
-26%
ERA at Home
2025
 
 
-37%
ERA at Home
2024
 
 
-7%
ERA at Home
2023
 
 
-52%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 4.14 1.20 67.1 5 3 0 6.5 2.5 0.7
Since 2023Away 5.63 1.64 54.1 1 3 0 10.9 2.7 1.7
2025Home 5.63 1.63 8.0 1 1 0 4.5 5.6 1.1
2025Away 9.00 2.00 4.0 0 0 0 11.3 6.8 2.3
2024Home 3.77 1.09 43.0 2 2 0 5.4 1.9 0.6
2024Away 4.06 1.35 37.2 1 2 0 11.7 1.2 1.7
2023Home 4.41 1.29 16.1 2 0 0 10.5 2.8 0.6
2023Away 9.24 2.37 12.2 0 1 0 8.5 5.7 1.4
Minor League Left/Right Pitching Splits (AAA)
Since 2023
 
 
-18%
BAA vs RHP
2025
 
 
-24%
BAA vs RHP
2024
 
 
-14%
BAA vs RHP
2023
 
 
-18%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .296 269 57 30 66 17 1 11
Since 2023vs Right .242 299 52 20 65 15 2 3
2025vs Left .259 68 15 6 15 7 1 0
2025vs Right .197 66 18 4 12 3 1 0
2024vs Left .167 6 4 0 1 0 0 0
2024vs Right .143 8 2 0 1 0 0 0
2023vs Left .314 195 38 24 50 10 0 11
2023vs Right .259 225 32 16 52 12 1 3
Stat Review
How does Sean Hjelle compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 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 30 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
1.13
 
K/9
6.8
 
BB/9
6.0
 
HR/9
1.5
 
Fastball
93.6 mph
 
ERA
6.75
 
WHIP
1.75
 
BABIP
.307
 
GB/FB
1.70
 
Left On Base
65.9%
 
Exit Velocity
84.2 mph
 
Barrels/BBE
4.0%
 
Spin Rate
2121 rpm
 
Balls Hit 95+ MPH
36.0%
 
Swinging Strike
9.9%
 
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 Sean Hjelle See More
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Past Fantasy Outlooks
2024
2023
2021
2020
Hjelle was jettisoned back-and-forth between Triple-A Sacramento and the Giants multiple times last season. He was unsuccessful in both spots, collecting a 6.52 ERA in 15 relief appearances with the big club and a 6.00 ERA in 22 outings (19 starts) with Sacramento. All 23 of the 6-foot-11 right-hander's appearances in the majors have come in relief, and while the run prevention hasn't been there, he has struck out 59 in 54 innings. At this point, if Hjelle is going to have a prominent gig with San Francisco it seems likely to be in relief, perhaps in a multi-inning role. It's not a job that figures to bear fantasy fruit.
The first topic of conversation regarding Hjelle is always going to be his height. Standing a towering 6-foot-11, Hjelle tied Jon Rauch as the tallest-ever major leaguer when he debuted in 2022. Usually operating as a bulk reliever, Hjelle posted a 5.76 ERA but also a 28:8 K:BB over 25 innings during his first taste of the big leagues. He also had a 59 percent ground ball rate, which backed up his tendencies from the minors. Hjelle could be a solid back-end starter if given the opportunity, but he looks to be pretty far down the Giants' rotation depth chart and is more floor than ceiling.
Hjelle likely would have been on track to make his major-league debut during a normal season, but he didn't appear in the big leagues during the abbreviated 2020 campaign. However, the 23-year-old could make his first appearance in the majors in 2021, especially if the full 162-game season is played. Hjelle doesn't have the velocity that one might expect from a pitcher with his 6-11 frame, but his downward motion limits meaningful contact. The right-hander struggled slightly over a limited sample with Double-A Richmond in 2019, posting a 6.04 ERA over 25.1 innings. However, he was much more effective over the full season, totaling a 3.32 ERA and 139:37 K:BB over 143.2 innings in 28 starts. Hjelle has displayed solid command while relying heavily on his knuckle-curve, and he he could find success in a variety of big-league roles, especially if he can improve his fastball velocity and movement on his slider.
Standing 6-feet-11, Hjelle has a good chance to join Jon Rauch as the tallest pitchers to appear in the majors. Hjelle spent last season at three levels, finishing at Double-A Richmond where he's likely to begin the 2020 campaign. Unlike most lanky hurlers, Hjelle possesses an uncanny ability to repeat his delivery. However, he doesn't generate the same velocity as most with his height, sitting low-90s. Most of Hjelle's effectiveness comes from the extreme downward plane he generates, helping the righty keep the ball in the yard. Most feel Hjelle projects as a back-end starter, but with his unusual frame, he's a wild card. Currently, his top pitch is a knuckle-curve, but if he can add a few ticks to his heater or more sweep to his slider, Hjelle could be a front-end guy. With pitching such a crapshoot, you could do worse than to throw a dart at Hjelle in dynasty formats.
More Fantasy News
Does fine as spot starter
PSan Francisco Giants  AAA
June 15, 2025
Hjelle allowed two runs on three hits and two walks while striking out five over 3.2 innings in a no-decision versus the Dodgers on Sunday.
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Drawing last-minute start
PSan Francisco Giants  AAA
June 15, 2025
Hjelle will draw the start Sunday night against the Dodgers, Fabian Ardaya of The Athletic reports.
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Logs win in season debut
PSan Francisco Giants  AAA
June 5, 2025
Hjelle (1-0) earned the win in Wednesday's 6-5 victory over San Diego, allowing one walk and striking out one in 2.2 scoreless innings.
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Recalled from Sacramento
PSan Francisco Giants  AAA
June 3, 2025
The Giants recalled Hjelle from Triple-A Sacramento on Tuesday.
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Sent to Triple-A
PSan Francisco Giants  AAA
March 23, 2025
Hjelle was optioned to Triple-A Sacramento on Sunday, Alex Pavlovic of NBC Sports Bay Area reports.
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Latest Fantasy Rumors
Gunning for roster spot
PSan Francisco Giants  AAA
March 19, 2023
Hjelle's offseason work is translating to a strong spring thus far, writes Susan Slusser of the San Fransisco Chronicle.
Analysis
Hjelle, standing at a hulking 6-foot-11, added 15 pounds of muscle heading into the season. He's looked sharp across four spring-training appearances, logging a win in his only start and allowing just two runs over 12 total innings. He could profile as an intriguing hybrid arm for the Giants.
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