Alek Jacob

Alek Jacob

27-Year-Old PitcherRP
San Diego Padres AAA
2026 Fantasy Outlook
There was no outlook written for Alek Jacob in 2026. Check out the latest news below for more on his current fantasy value.
Signed a one-year contract with the Padres in March of 2026.
Returns to Triple-A
PSan Diego Padres  AAA
May 17, 2026
The Padres optioned Jacob to Triple-A El Paso on Sunday.
Analysis
Jacob was called up by San Diego on Friday and will return to El Paso after giving up two runs without recording an out in Saturday's contest. Sunday's starting pitcher Lucas Giolito was called up from Triple-A in a corresponding move.
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Pitching Stats
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2026 MLB Game Log
2026
2025
2024
2023
2026 MLB Game Log
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2025 MLB Game Log
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2024 MLB Game Log
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Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
23
Last 10 Games
23
Last 5 Games
23
How many pitches does Alek Jacob 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 Alek Jacob 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
 
 
-14%
BAA vs LHP
2026
 
 
-75%
BAA vs LHP
2025
Even Split
2024
 
 
-32%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .228 91 16 6 18 3 1 2
Since 2024vs Right .265 131 29 12 30 5 0 5
2026vs Left .167 8 3 1 1 1 0 0
2026vs Right .667 4 0 1 2 0 0 0
2025vs Left .275 57 5 4 14 2 0 2
2025vs Right .275 96 18 10 22 5 0 4
2024vs Left .136 26 8 1 3 0 1 0
2024vs Right .200 31 11 1 6 0 0 1
Home/Away Pitching Splits
Since 2024
 
 
-33%
ERA at Home
2026
No Stats
2025
 
 
-21%
ERA at Home
2024
 
 
-31%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2024Home 3.44 1.31 18.1 1 0 0 10.8 3.4 1.5
Since 2024Away 5.12 1.33 31.2 1 0 0 6.5 3.1 1.1
2026Home 0.00 1.00 2.0 1 0 0 13.5 4.5 0.0
2026Away 0.00 0.00 .000000 0 0 0 0.0 0.0 0.0
2025Home 4.35 1.74 10.1 0 0 0 7.8 4.4 1.7
2025Away 5.48 1.39 23.0 1 0 0 5.5 3.5 1.6
2024Home 3.00 0.67 6.0 0 0 0 15.0 1.5 1.5
2024Away 2.08 0.81 8.2 0 0 0 9.3 1.0 0.0
Minor League Left/Right Pitching Splits (AAA)
Since 2024
 
 
-13%
BAA vs RHP
2026
 
 
-19%
BAA vs LHP
2025
 
 
-55%
BAA vs RHP
2024
 
 
-5%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .284 167 46 21 40 7 1 4
Since 2024vs Right .246 298 77 41 61 17 1 15
2026vs Left .171 41 10 3 6 0 0 1
2026vs Right .212 47 9 11 7 2 0 2
2025vs Left .351 44 12 5 13 2 0 2
2025vs Right .159 78 27 12 10 3 0 2
2024vs Left .304 82 24 13 21 5 1 1
2024vs Right .289 173 41 18 44 12 1 11
Stat Review
How does Alek Jacob 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
1.50
 
K/9
13.5
 
BB/9
9.0
 
HR/9
0.0
 
Fastball
84.2 mph
 
ERA
9.00
 
WHIP
2.50
 
BABIP
.532
 
GB/FB
1.00
 
Left On Base
60.0%
 
Exit Velocity
82.7 mph
 
Barrels/BBE
10.0%
 
Spin Rate
2260 rpm
 
Balls Hit 95+ MPH
40.0%
 
Swinging Strike
22.2%
 
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 Alek Jacob See More
Recent RotoWire Articles Featuring Alek Jacob See More
2025 Fantasy Outlook
Jacob spent most of the 2024 season in Triple-A and posted a mediocre 5.53 ERA over 53.2 innings, but he impressed during his time in the majors, recording a 19:2 K:BB in 14.2 frames across seven appearances. The right-hander added a 2.45 ERA and 0.75 WHIP and was effective enough to be on San Diego's roster for the NLDS. Jacob doesn't profile as a high-leverage reliever due to his lack of his velocity -- his fastball sits in the high-80s -- but he induces plenty of whiffs (and, consequently, punchouts) thanks to a funky, deceptive delivery and a mid-to-low-70s changeup that opponents batted just 3-for-20 against last season. Jacob tossed two or more innings in five of his seven outings with San Diego in 2024, so the organization may be viewing him as primarily a middle-relief arm.
More Fantasy News
Rejoins big-league bullpen
PSan Diego Padres  AAA
May 15, 2026
The Padres recalled Jacob from Triple-A El Paso on Friday, Kevin Acee of The San Diego Union-Tribune reports.
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Optioned to Triple-A
PSan Diego Padres  AAA
April 17, 2026
The Padres optioned Jacob to Triple-A El Paso on Friday.
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Rejoins MLB bullpen
PSan Diego Padres  AAA
April 14, 2026
The Padres recalled Jacob from Triple-A El Paso on Tuesday.
Analysis
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Beginning season in minors
PSan Diego Padres  AAA
March 21, 2026
San Diego optioned Jacob to Triple-A El Paso on Saturday.
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Sent back to Triple-A
PSan Diego Padres  AAA
September 9, 2025
The Padres optioned Jacob to Triple-A El Paso on Tuesday.
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