Will Klein

Will Klein

24-Year-Old PitcherRP
Oakland Athletics AAA
7-Day IL
Injury Undisclosed
Est. Return 2/1/2025
2024 Fantasy Outlook
There was no outlook written for Will Klein in 2024. Check out the latest news below for more on his current fantasy value.
$Signed a one-year contract with the Royals in February of 2024. Traded to the Athletics in July of 2024.
Shelved at Triple-A
POakland Athletics  AAA
Undisclosed
September 8, 2024
Triple-A Las Vegas placed Klein on its 7-day injured list Aug. 31 with an unspecified injury.
ANALYSIS
Acquired from the Royals at the trade deadline, Klein initially reported to Oakland and made three appearances for the big club before being optioned to the minors Aug. 17. He gave up three earned runs on six hits and five walks over 5.1 innings across four outings prior to landing on Las Vegas' IL.
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Pitching Stats
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2024
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Pitching Appearances Breakdown
Average Pitch Count
18
Last 10 Games
18
Last 5 Games
19
How many pitches does Will Klein 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 Will Klein 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 2022
 
 
-48%
BAA vs RHP
2024
 
 
-48%
BAA vs RHP
2023
No Stats
2022
No Stats
BAA Batters K BB H 2B 3B HR
Since 2022vs Left .538 17 2 3 7 1 0 0
Since 2022vs Right .278 21 5 3 5 3 0 0
2024vs Left .538 17 2 3 7 1 0 0
2024vs Right .278 21 5 3 5 3 0 0
2023vs Left 0 0 0 0 0 0 0 0
2023vs Right 0 0 0 0 0 0 0 0
2022vs Left 0 0 0 0 0 0 0 0
2022vs Right 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2022
 
 
-82%
ERA at Home
2024
 
 
-82%
ERA at Home
2023
No Stats
2022
No Stats
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2022Home 6.00 2.17 6.0 1 0 0 7.5 4.5 0.0
Since 2022Away 33.75 3.75 1.1 0 0 0 13.5 20.3 0.0
2024Home 6.00 2.17 6.0 1 0 0 7.5 4.5 0.0
2024Away 33.75 3.75 1.1 0 0 0 13.5 20.3 0.0
2023Home 0 0 0 0 0 0 0 0 0
2023Away 0 0 0 0 0 0 0 0 0
2022Home 0 0 0 0 0 0 0 0 0
2022Away 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Stat Review
How does Will Klein 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
1.17
 
K/9
8.6
 
BB/9
7.4
 
HR/9
0.0
 
Fastball
97.0 mph
 
ERA
11.05
 
WHIP
2.45
 
BABIP
.467
 
GB/FB
1.50
 
Left On Base
50.0%
 
Exit Velocity
84.0 mph
 
Barrels/BBE
4.8%
 
Spin Rate
2191 rpm
 
Balls Hit 95+ MPH
23.8%
 
Swinging Strike
7.5%
 
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 Will Klein See More
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More Fantasy News
Sent to Las Vegas
POakland Athletics  AAA
August 17, 2024
The Athletics optioned Klein to Triple-A Las Vegas on Saturday.
ANALYSIS
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Acquired by Oakland
POakland Athletics  AAA
July 30, 2024
The Athletics acquired Klein, outfielder Jared Dickey and right-hander Mason Barnett from the Royals on Tuesday in exchange for right-hander Lucas Erceg, Mark Feinsand of MLB.com reports.
ANALYSIS
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Moves up from Triple-A
PKansas City Royals  AAA
July 29, 2024
The Royals recalled Klein from Triple-A Omaha on Monday.
ANALYSIS
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Sent back to Triple-A
PKansas City Royals  AAA
June 10, 2024
The Royals optioned Klein to Triple-A Omaha on Monday.
ANALYSIS
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Picks up first big-league win
PKansas City Royals  AAA
June 2, 2024
Klein (1-0) struck out one in a perfect inning to earn the win Sunday over the Padres.
ANALYSIS
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