Kenny Rosenberg

Kenny Rosenberg

29-Year-Old PitcherRP
 Free Agent  Foreign
Free Agent
2025 Fantasy Outlook
There was no outlook written for Kenny Rosenberg in 2025. Check out the latest news below for more on his current fantasy value.
$Signed a one-year contract with the Angels in March of 2024.
Headed overseas
PFree Agent  F
November 25, 2024
Rosenberg agreed to a contract with the KBO's Kiwoom Heroes on Monday, Dan Kurtz of MyKBO.net reports.
ANALYSIS
Rosenberg didn't find much success with the Angels during the 2024 campaign, posting a 6.00 ERA and 1.50 WHIP with a 17:8 K:BB across 24.0 innings. His KBO contract includes a $700,000 base salary with up to $100,000 in incentives, per Kurtz.
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Pitching Stats
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2024
2023
2022
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
58
Last 10 Games
58
Last 5 Games
48
How many pitches does Kenny Rosenberg 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 Kenny Rosenberg 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
 
 
-10%
BAA vs LHP
2024
 
 
-17%
BAA vs RHP
2023
 
 
-35%
BAA vs LHP
2022
 
 
-14%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2022vs Left .250 90 23 10 20 6 0 3
Since 2022vs Right .278 207 31 18 52 9 0 6
2024vs Left .333 31 8 4 9 2 0 2
2024vs Right .275 73 9 4 19 4 0 3
2023vs Left .195 45 11 4 8 3 0 1
2023vs Right .300 101 18 10 27 4 0 2
2022vs Left .250 14 4 2 3 1 0 0
2022vs Right .214 33 4 4 6 1 0 1
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2022
 
 
-30%
ERA on Road
2024
 
 
-57%
ERA on Road
2023
 
 
-8%
ERA on Road
2022
 
 
-100%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2022Home 5.35 1.37 38.2 1 3 0 7.0 3.0 1.9
Since 2022Away 3.72 1.62 29.0 1 0 0 7.4 4.7 0.3
2024Home 7.47 1.47 15.2 0 1 0 5.7 3.4 2.9
2024Away 3.24 1.56 8.1 0 0 0 7.6 2.2 0.0
2023Home 3.91 1.30 23.0 1 2 0 7.8 2.7 1.2
2023Away 3.60 1.90 10.0 1 0 0 8.1 6.3 0.0
2022Home 0 0 0 0 0 0 0 0 0
2022Away 4.22 1.41 10.2 0 0 0 6.8 5.1 0.8
More Splits View More Split Stats
Stat Review
How does Kenny Rosenberg 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
2.13
 
K/9
6.4
 
BB/9
3.0
 
HR/9
1.9
 
Fastball
90.3 mph
 
ERA
6.00
 
WHIP
1.50
 
BABIP
.312
 
GB/FB
1.00
 
Left On Base
65.5%
 
Exit Velocity
81.1 mph
 
Barrels/BBE
5.7%
 
Spin Rate
2028 rpm
 
Balls Hit 95+ MPH
21.4%
 
Swinging Strike
10.1%
 
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Past Fantasy Outlooks
2024
2023
Rosenberg didn't have a chance to pitch for the Angels until near the end of the season, but he made the most of his chances with a respectable 3.82 ERA over 33 innings, and he was particularly good in his final four outings, allowing no more than a run in three of those starts. The left-hander would be considered "crafty" as a southpaw that averages just 91 mph with his fastball, but he is difficult to square up because of his arm slot and four unique off-speed pitches; the best of these being a change that he threw 37 percent of the time in his seven appearances with the Halos. Rosenberg will have a chance to win one of the final spots in the Los Angeles rotation this spring, but it's unlikely he'll miss enough bats to be more than a streaming option for the 2024 campaign.
Rosenberg spent the early part of his professional career as a starter before transitioning to the bullpen with Triple-A Durham in 2021. He did well as a reliever, but after the Angels claimed him off waivers during the ensuing offseason, they chose to move him back to into a starting role. The left-hander pitched well enough (3.16 ERA, 1.24 WHIP) at Triple-A last year to get his first major-league call-up, and he ended up hurling 10.2 frames, allowing five earned runs and posting an 8:6 K:BB. Rosenberg's fastball sits in the low-90s, so he'll need to balance it with his other offerings -- primarily a changeup and a slider -- to be effective in the majors. The change is his best pitch of the bunch, but there's nothing that truly stands out in Rosenberg's arsenal, giving him a pretty low ceiling. He was designated for assignment in December, so it's unclear if he'll be back in Los Angeles next season. If he returns, there's a slim chance he could compete for the sixth-starter job, but he's more likly to begin the campaign back in the minors.
More Fantasy News
Let go by Halos
PFree Agent  F
November 4, 2024
The Angels released Rosenberg on Monday.
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Called up Monday
PLos Angeles Angels  F
September 16, 2024
The Angels recalled Rosenberg from Triple-A Salt Lake on Monday.
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Back in minors
PLos Angeles Angels  F
August 14, 2024
The Angels optioned Rosenberg to Triple-A Salt Lake on Wednesday.
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Tosses five innings in long relief
PLos Angeles Angels  F
August 14, 2024
Rosenberg allowed one run on two hits and two walks while striking out four batters over five innings in long relief against Toronto on Tuesday.
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Recalled from Salt Lake
PLos Angeles Angels  F
August 13, 2024
The Angels recalled Rosenberg from Triple-A Salt Lake on Tuesday.
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