Seranthony Dominguez

Seranthony Dominguez

29-Year-Old PitcherRP
Baltimore Orioles
2024 Fantasy Outlook
Dominguez had re-established himself as one of Philadelphia's most reliable relievers during the 2022 season, but he wasn't able to replicate that same success last year. The Dominican native struggled to a 3.78 ERA (4.67 xERA, 4.83 FIP) and 1.40 WHIP in 2023, while his strikeout rate plummeted by 8.1 percentage points to a below-average 21.4 percent. This was a significant drop for the 29-year-old, whose K-rate had been near or above 30 percent in every season prior. Dominguez's -0.73 WPA was dead last among Phillies relief pitchers one year after leading this unit in that statistic. He also missed over a month with an oblique strain. Dominguez's slider is effective, but he only throws it 27 percent of the time. He might be able to retain a high-leverage role if he throws the pitch more often, but he seems likely to work in middle relief for 2024. Read Past Outlooks
RANKS
Rest of Season
From Preseason
#398
ADP
$Signed a two-year, $7 million contract with the Phillies in February of 2023. Traded to the Orioles in July of 2024. Contract includes $8 million team option ($500,000 buyout) for 2025. Option for 2025 exercised in November of 2024.
Option for 2025 exercised
PBaltimore Orioles
November 4, 2024
The Orioles exercised Dominguez's $8 million club option for 2025 on Monday.
ANALYSIS
Dominguez collected a 3.97 ERA and 28:9 K:BB over 22.2 innings while notching 10 saves down the stretch of the regular season for the Orioles after being acquired from the Phillies via trade. While Dominguez finished the 2024 season as Baltimore's closer, Felix Bautista (elbow) should reclaim that job in 2025.
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Pitching Stats
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2024
2023
2022
2021
2020
2019
2018
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Pitching Appearances Breakdown
Average Pitch Count
17
Last 10 Games
15
Last 5 Games
13
How many pitches does Seranthony Dominguez 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 Seranthony Dominguez 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
 
 
 
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8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2022
 
 
-11%
BAA vs RHP
2024
 
 
-4%
BAA vs LHP
2023
 
 
-27%
BAA vs RHP
2022
 
 
-9%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2022vs Left .239 265 51 22 56 9 1 10
Since 2022vs Right .213 421 126 43 80 12 0 13
2024vs Left .220 112 24 9 22 2 1 6
2024vs Right .229 143 44 12 30 6 0 6
2023vs Left .299 78 10 6 20 2 0 3
2023vs Right .219 146 38 16 28 2 0 4
2022vs Left .209 75 17 7 14 5 0 1
2022vs Right .190 132 44 15 22 4 0 3
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2022
 
 
-36%
ERA at Home
2024
 
 
-25%
ERA at Home
2023
 
 
-27%
ERA at Home
2022
 
 
-54%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2022Home 2.95 1.25 79.1 8 4 9 10.2 3.5 1.2
Since 2022Away 4.59 1.27 80.1 6 10 13 9.7 3.8 1.3
2024Home 3.76 1.25 26.1 3 0 5 9.6 3.4 1.7
2024Away 5.01 1.24 32.1 0 4 6 11.1 3.1 1.9
2023Home 3.20 1.58 25.1 3 3 0 8.9 5.0 1.1
2023Away 4.38 1.22 24.2 2 2 2 8.4 2.9 1.5
2022Home 1.95 0.94 27.2 2 1 4 12.0 2.3 1.0
2022Away 4.24 1.37 23.1 4 4 5 9.3 5.8 0.4
More Splits View More Split Stats
Stat Review
How does Seranthony Dominguez 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
3.24
 
K/9
10.4
 
BB/9
3.2
 
HR/9
1.8
 
Fastball
97.9 mph
 
ERA
4.45
 
WHIP
1.24
 
BABIP
.291
 
GB/FB
0.84
 
Left On Base
73.0%
 
Exit Velocity
81.0 mph
 
Barrels/BBE
6.4%
 
Spin Rate
2392 rpm
 
Balls Hit 95+ MPH
18.3%
 
Swinging Strike
11.8%
 
Prospect Rankings History
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
2023
2021
2020
2019
2018
Dominguez returned in 2022 after losing almost two full seasons to Tommy John surgery. After a strong spring, he made 54 appearances for the Phillies, totaling 51 innings with a 3.00 ERA (3.15 SIERA) and 1.14 WHIP. The 28-year-old was Philadelphia's highest leverage reliever, as evidenced by his team-leading 1.33 WPA and 1.67 gmLI. He earned six wins and finished second on the team with nine saves, all of which came after Corey Knebel was ousted as closer in mid-June. Dominguez averaged 98 mph on his heater and had a solid 89th percentile whiff rate, thanks to his slider. However, the contact he did allow was often hard with a bottom 5% rate of 45.5%. His poor 58% first-pitch strike percentage yielded a 10.6% walk rate that was also well below average. Craig Kimbrel inked a one-year, $10 million deal and could be the favorite for saves, and Philadelphia also acquired Detroit's closer Gregory Soto. It seems likely to be a committee approach for the Phillies, which figures to dilute the fantasy potential of all three pitchers.
Sometimes when a player elects for alternatives to Tommy John surgery, as Dominguez did back in June of 2019, he's able to return just fine and winds up missing considerably less time than he otherwise would have. While that represents the upside of such an approach, Dominguez's story represents the downside. He was making good progress in his recovery throughout the end of 2019 and into spring training before suffering a setback in March. Then, the coronavirus pandemic struck, and he was stuck in his native Dominican Republic, unable to return stateside to have the surgery. He finally underwent the procedure in July, over a year after it was originally considered. Had he had the surgery when it first appeared necessary, he'd likely be ready to go by Opening Day of this season, but instead he likely won't be ready until the start of 2022, two and a half years after his most recent big-league pitch.
Dominguez's rapid rise in 2018 saw him save 16 major-league games in his first season above High-A and his first season as a reliever. His sophomore campaign was not the second act that fantasy owners would have hoped for. An elbow injury, serious enough to raise Tommy John speculation (though the procedure was ultimately deemed unnecessary), cut his season short in early June after just 24.2 innings. It's possible he was dealing with the effects of the injury prior to hitting the injured list, as his velocity was down early and his performance was down along with it. His ERA jumped from 2.95 to 4.01, while his strikeout rate fell from 32.0% to 26.4%. Dominguez did at least resume throwing late in the year but didn't return to game action. At his best, he's proved capable of a closer role, but his track record is short and the injury risk can't be ignored.
Dominguez entered the year as a starter with zero appearances above High-A. He finished it with 16 saves and a 2.95 ERA in 58 major-league innings. It took the 23-year-old just 11 relief appearances in the high minors to convince the Phillies to call him up and just five more in the big leagues for manager Gabe Kapler to give him his first save chance. After beginning his MLB career with 12 scoreless outings (in which he allowed just three baserunners), he came back to Earth a bit, but his final line remained strong. Dominguez's fantasy value in 2019 will be determined in large part by Kapler's bullpen usage, which was unconventional in his first year at the helm. Nine different players recorded a save, and five different relievers were trusted for multiple saves in a row. Dominguez isn't quite in the Josh Hader tier of fantasy-relevant non-closers, but his 32% strikeout rate gives him some value in deeper leagues even if his save opportunities don't increase.
Dominguez always had great stuff, but command, control and durability had been issues for him as a starter, so the Phillies transitioned him to a relief role in 2018. As expected, he took to his new role quite well, rocketing from Double-A to the majors in a month's time. His fastball is parked at 99 mph and his slider makes hitters look foolish when he is on, so high-leverage work is a cinch. Hector Neris can miss bats, but his control comes and goes, so if Dominguez performs as expected, he could be a source of saves sooner than later.
More Fantasy News
Collects 11th save
PBaltimore Orioles
September 24, 2024
Dominguez picked up the save in Tuesday's 5-3 victory over the Yankees, pitching a clean two-thirds of an inning with no strikeouts.
ANALYSIS
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Stuck with blown save
PBaltimore Orioles
September 19, 2024
Dominguez was charged with a blown save in Friday's 5-3 win over the Giants, allowing a run on one hit and two walks in one-third of an inning.
ANALYSIS
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Secures 10th save
PBaltimore Orioles
September 10, 2024
Dominguez earned the save in Tuesday's 5-3 victory against Boston, pitching a scoreless inning with two strikeouts while allowing one hit.
ANALYSIS
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Notches four-out save
PBaltimore Orioles
September 6, 2024
Dominguez allowed a hit over 1.1 scoreless innings Friday, striking out two and earning a save against the Rays.
ANALYSIS
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Collects eighth save
PBaltimore Orioles
August 31, 2024
Dominguez gave up a run on two hits in the ninth inning Friday to record his eighth save of the season in a 5-3 win over the Rockies. He struck out two.
ANALYSIS
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Latest Fantasy Rumors
Could return Monday
PPhiladelphia Phillies
July 23, 2023
Dominguez has been sidelined since mid-June due to an oblique strain but could be activated as early as Monday, Alex Coffey of the Philadelphia Inquirer reports.
ANALYSIS
Dominguez tossed a second rehab outing Sunday and delivered a scoreless inning with three strikeouts, so he's one step closer to returning to the big leagues. If there are no setbacks after this dominant outing, Dominguez could be on his way to return to the Phillies' bullpen sooner than later. He owns a 4.33 ERA across 27 innings pitched in 2023.
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