Trevor Rosenthal
Trevor Rosenthal
30-Year-Old PitcherRP
Kansas City Royals
2020 Fantasy Outlook
There was no outlook written for Trevor Rosenthal in 2020. Check out the latest news below for more on his current fantasy value.
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$Signed a one-year contract with the Royals in December of 2019.
Impressed Royals brass
PKansas City Royals
April 10, 2020
Rosenthal separated himself as one of the team's best relievers in camp, according to general manager Dayton Moore, Alec Lewis of The Athletic reports.
ANALYSIS
He and Greg Holland represented a couple former closers on minor-league deals with camp invites, but only Rosenthal has earned a spot on the 40-man roster already, while Holland has not yet been added. Rosenthal gave up just three hits while issuing zero walks and striking out nine in five innings this spring. It's a very small sample, but those eye-popping numbers and Moore's glowing praise of the veteran reliever make him one to watch if Ian Kennedy falters at all in the ninth inning.
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Pitching Stats
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2019
2017
2019 MLB Game Log
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2017 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
18
Last 10 Games
21
Last 5 Games
20
How many pitches does Trevor Rosenthal 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 Trevor Rosenthal 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 2017
 
 
-4%
BAA vs RHP
2019
 
 
-25%
BAA vs LHP
2018
No Stats
2017
 
 
-13%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2017vs Left .214 143 43 23 24 2 0 1
Since 2017vs Right .205 144 50 23 24 0 1 2
2019vs Left .174 39 8 12 4 1 0 0
2019vs Right .233 46 9 14 7 0 0 0
2018vs Left 0 0 0 0 0 0 0 0
2018vs Right 0 0 0 0 0 0 0 0
2017vs Left .225 104 35 11 20 1 0 1
2017vs Right .195 98 41 9 17 0 1 2
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2017
 
 
-32%
ERA on Road
2019
 
 
-75%
ERA on Road
2018
No Stats
2017
 
 
-33%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2017Home 6.96 1.52 32.1 2 3 8 14.2 6.7 0.0
Since 2017Away 4.70 1.47 30.2 1 2 3 12.3 6.5 0.9
2019Home 24.16 3.32 6.1 0 1 0 11.4 19.9 0.0
2019Away 6.00 1.78 9.0 0 0 0 9.0 12.0 0.0
2018Home 0 0 0 0 0 0 0 0 0
2018Away 0 0 0 0 0 0 0 0 0
2017Home 2.77 1.08 26.0 2 2 8 14.9 3.5 0.0
2017Away 4.15 1.34 21.2 1 2 3 13.7 4.2 1.2
More Splits View More Split Stats
Stat Review
How does Trevor Rosenthal 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
0.65
 
K/9
10.0
 
BB/9
15.3
 
HR/9
0.0
 
Fastball
98.0 mph
 
ERA
13.50
 
WHIP
2.41
 
BABIP
.295
 
GB/FB
1.42
 
Left On Base
35.1%
 
Exit Velocity
86.6 mph
 
Barrels/BBE
5.4%
 
Spin Rate
2267 rpm
 
Balls Hit 95+ MPH
35.1%
 
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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Recent RotoWire Articles Featuring Trevor Rosenthal
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21 days ago
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34 days ago
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51 days ago
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57 days ago
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82 days ago
82 days ago
Chris Liss bought a few injured players at a discount, figuring the delayed start to the season will give them time to heal.
Past Fantasy Outlooks
2019
2018
2017
2016
2015
2014
2013
Rosenthal spent the entire 2018 campaign rehabbing his elbow after undergoing Tommy John surgery in August of 2017. He ultimately inked a one-year deal with the Nationals in October after holding a showcase in California, where scouts said his fastball topped out at 98 mph while his slider and changeup sat in the high-80s. While the 28-year-old is an experienced late-inning reliever, having racked up 121 saves while posting a 2.99 ERA and 12.0 K/9 across six seasons with the Cardinals, he figures to open the season in a setup role with Sean Doolittle locked in as the team’s closer. That said, the right-hander will likely be one of the Nationals’ top options to take over in the ninth inning should Doolittle once again spend time on the disabled list, something that's happened in each of the last two seasons -- assuming Rosenthal displays something close to his old form.
Rosenthal battled injuries for the second straight season, pitching just 47.2 innings before ending the season on the disabled list with a torn UCL. He was released by the Cardinals and is expected to miss the entire 2018 season recovering from Tommy John surgery. He pitched well while he was active with a 37.6 percent strikeout rate that ranked eighth among pitchers who threw at least 40 innings. His 3.40 ERA was unremarkable for a high-leverage reliever, but it could have easily been lower with better luck, as his FIP was an impressive 2.17. Whichever team signs him will be acquiring a "proven closer" with 121 career saves who will still be just 28 years old. It's easy to see a team bringing him in with the intention of having Rosenthal fill a back-end role in 2019, similar to what the Rockies did with Greg Holland.
Rosenthal battled injuries throughout 2016, including a nagging hamstring issue and an inflamed shoulder that cost him nearly two months on the disabled list. His bouts with the aforementioned ailments resulted in him pitching just 10.1 innings following the All-Star break. At just 26, and with a 2.92 ERA and 1.32 WHIP for his career, it would be premature to lose faith in Rosenthal, who's been a centerpiece of the St. Louis bullpen since entering the league. However, it's likely that he'll be relegated to the role of setup man for Seung Hwan Oh, the favorite to retain the closer spot in 2017. The Cardinals have said that they plan to stretch Rosenthal out this spring, which adds another wrinkle, but they do not have an open rotation spot, so it would seem that by stretching him out, they are paving the way for him to be used in multiple-inning relief appearances in the mold of late-season Andrew Miller.
Rosenthal turned in a top-5 season at the closer position in 2015, delivering on the high expectations that fantasy owners had put on him the season before. Rosenthal finished second in saves (48), eighth in strikeouts (83) and seventh in ERA (2.10) among closers. There's still work to be done as his 1.267 WHIP ranked 23rd among closers, so there's reason to believe Rosenthal can improve even further in 2016. Armed with a triple-digit fastball, Rosenthal opted to deliver from the stretch full-time in 2015 and it paid off nicely. At just 25 years old Rosenthal has already racked up 96 career saves and is already becoming one of the more experienced active closers in baseball. He'll start the season entrenched as the closer for one of the better teams in baseball and should have an awfully long leash to work with. Expect Rosenthal to be one of the first five closers off the board this spring.
While it wasn't without its bumps, Rosenthal's 2014 season was still pretty impressive for a first-time closer. He finished fourth in baseball with 45 saves and seventh among regular closers with 87 strikeouts. What has to be encouraging for his owners and the Cardinals is that despite having some occasional dust-ups, Rosenthal never lost all control as so many new closers do. The few bad runs he had last season were just long enough to get some whispers about a possible change but short enough that a change was never necessary. His 1.41 WHIP reflects some of those bad runs, as he did have some trouble with the free passes in 2014, something he'll have to work on moving forward. Rosenthal still proved capable of handling the role and should only get better in 2015. With the Cardinals expected to again be one of the top teams in the NL, Rosenthal should have no problem eclipsing 40 saves if he stays healthy, and could very easily join the ranks of Craig Kimbrel and Kenley Jansen if he can turn some of those walks into strikeouts.
Rosenthal had a terrific first full season with the Cardinals, posting 29 holds while striking out an impressive 108 batters in just 75.1 innings pitched. His xFIP (2.34) indicates he was even better than his ERA shows. Rosenthal is a heavy fastball pitcher who averages around 97 mph on his heater but in 2013 began using his changeup much more, and with very good results. Rosenthal was inserted into the closer's role for the final weeks of the 2013 season and into the playoffs where he proved plenty capable for the job. He'll head into 2014 as one of the top closers in baseball and in fantasy, likely a top five option in all league formats.
Lost among the Shelby Millers and Carlos Martinezes and Michael Wachas in the St. Louis system is the unheralded Rosenthal, who at 22 already has 19 MLB appearances under his belt. Although Rosenthal only appeared as a reliever for the Cardinals, he was used exclusively as a starter in the minors and will likely get a chance at a rotation spot in the bigs this spring. His numbers at three stops last year: (131 IP, 92 H, 129:49 K:BB, 2.95 ERA) indicate that he deserves that shot. Consider him to be a nice sleeper if he's able to secure a starting job with a good showing in spring training.
More Fantasy News
Contract selected by Royals
PKansas City Royals
March 25, 2020
Rosenthal's contract was selected by the Royals on Wednesday.
ANALYSIS
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Set to return Friday
PKansas City Royals
February 28, 2020
Rosenthal (calf) is expected to pitch during Friday's Cactus League game against the Giants, Jeffrey Flanagan of MLB.com reports.
ANALYSIS
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Picks up calf issue
PKansas City Royals
Calf
February 25, 2020
Rosenthal didn't pitch Tuesday due to a calf injury, Lynn Worthy of The Kansas City Star reports.
ANALYSIS
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Signs minors deal with Royals
PKansas City Royals
December 7, 2019
Rosenthal signed a minor-league deal with the Royals on Saturday.
ANALYSIS
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Lands with Yankees on MiLB deal
PNew York Yankees
August 20, 2019
Rosenthal agreed Tuesday with the Yankees on a minor-league contract, Andersen Pickard of MLBDailyDish.com reports.
ANALYSIS
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