Kyle Leahy

Kyle Leahy

28-Year-Old PitcherRP
St. Louis Cardinals
2025 Fantasy Outlook
There was no outlook written for Kyle Leahy in 2025. Check out the latest news below for more on his current fantasy value.
Signed a one-year contract with the Cardinals in March of 2025.
Covers three innings
PSt. Louis Cardinals
September 28, 2025
Leahy allowed a hit and struck out one without walking a batter over three scoreless innings in a no-decision versus the Cubs on Sunday.
Analysis
Leahy started the bullpen game and had the most innings pitched of the five pitchers the Cardinals used in their season finale. This was a fine first career start, and the right-hander ended the season on a seven-inning scoreless streak. Overall, he pitched to a 3.07 ERA, 1.23 WHIP and 80:28 K:BB across 88 innings across 62 appearances, adding a 4-2 record, one save, 18 holds and four blown saves as a multi-inning reliever. He could be a contender for the rotation in 2026, but Leahy hasn't regularly worked as a starter since 2022.
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Pitching Stats
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2025 MLB Game Log
2025
2024
2023
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
22
Last 10 Games
26
Last 5 Games
26
How many pitches does Kyle Leahy 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 Kyle Leahy 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
 
 
-14%
BAA vs RHP
2025
 
 
-6%
BAA vs RHP
2024
 
 
-28%
BAA vs RHP
2023
 
 
-63%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .262 241 53 25 56 15 0 6
Since 2023vs Right .226 328 62 18 68 13 1 4
2025vs Left .252 163 37 19 36 7 0 3
2025vs Right .238 200 43 9 44 9 0 2
2024vs Left .271 76 16 5 19 7 0 3
2024vs Right .194 115 17 5 21 4 0 1
2023vs Left 1.000 2 0 1 1 1 0 0
2023vs Right .375 13 2 4 3 0 1 1
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2023
 
 
-20%
ERA on Road
2025
 
 
-49%
ERA on Road
2024
 
 
-14%
ERA at Home
2023
 
 
-25%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 4.07 1.31 66.1 2 1 0 6.1 2.8 0.7
Since 2023Away 3.25 1.11 72.0 3 3 2 8.8 2.8 0.6
2025Home 4.06 1.35 44.1 2 1 0 6.9 3.0 0.6
2025Away 2.06 1.10 43.2 2 1 1 9.5 2.7 0.4
2024Home 3.74 1.15 21.2 0 0 0 4.6 2.1 0.8
2024Away 4.33 0.93 27.0 1 1 1 7.3 1.7 0.7
2023Home 27.00 6.00 .333333 0 0 0 0.0 27.0 0.0
2023Away 20.25 5.25 1.1 0 1 0 13.5 27.0 6.8
More Splits View More Split Stats
Stat Review
How does Kyle Leahy 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
2.86
 
K/9
8.2
 
BB/9
2.9
 
HR/9
0.5
 
Fastball
95.5 mph
 
ERA
3.07
 
WHIP
1.23
 
BABIP
.308
 
GB/FB
1.55
 
Left On Base
75.2%
 
Exit Velocity
82.2 mph
 
Barrels/BBE
5.7%
 
Spin Rate
2337 rpm
 
Balls Hit 95+ MPH
25.1%
 
Swinging Strike
10.6%
 
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 Kyle Leahy See More
Recent RotoWire Articles Featuring Kyle Leahy See More
More Fantasy News
In line to start bullpen game
PSt. Louis Cardinals
September 26, 2025
Leahy is lined up to serve as the Cardinals' opening pitcher for Sunday's game against the Cubs, Jeff Jones of the Belleville News-Democrat reports.
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Could start final game of season
PSt. Louis Cardinals
September 25, 2025
Leahy is an option to start the final game of the season Sunday against the Cubs, Derrick Goold of the St. Louis Post-Dispatch reports.
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Tagged with blown save, loss
PSt. Louis Cardinals
September 14, 2025
Leahy (4-2) allowed two runs (one earned) over 1.1 innings, taking a blown save and a loss Saturday in Milwaukee.
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Earns rare save
PSt. Louis Cardinals
August 30, 2025
Leahy earned the save in Saturday's 4-2 win over the Reds, allowing two hits over 1.1 innings. He did not record a walk or a strikeout.
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Could be part of piggyback
PSt. Louis Cardinals
August 11, 2025
The Cardinals are considering using Leahy as part of piggyback starts down the stretch with Andre Pallante and/or Matthew Liberatore, Derrick Goold of the St. Louis Post-Dispatch reports.
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