2025 Stats
W-L
9-16
ERA
5.68
WHIP
1.43
K
103
SV
1
Rest-of-Season Projections
2025 Fantasy Outlook
Parker beat the eventual world champion Dodgers in his big-league debut in April, and while there were bumps in the road from there, his final numbers as a rookie were highly respectable. The left-hander made 29 starts and totaled 151 innings for the Nationals, pitching to a 4.29 ERA and 1.30 WHIP. HIs fastball is lacking and can get touched up, but his splitter and slider both had whiff rates over 35 percent last season, hinting at room for growth with his strikeout rate even with his below-average velocity. He had a nine-run disaster Aug. 15 at Philadelphia which should serve as a reminder of his downside in the wrong matchup. Eventually he could shed the streamer label, but at least for now Parker should be deployed judiciously, if rostered. Read Past Outlooks
Signed a one-year contract with the Nationals in March of 2025.
Collects long-relief save
Parker earned a save in the Nationals' 3-2 win over the Mets on Sunday. He allowed two hits and no walks while striking out two across 3.2 scoreless innings.
Analysis
Parker was dispatched in the sixth inning with two men on base and one out and managed to maintain the Nationals' one-run cushion by getting Jeff McNeil to pop out before striking out Mark Vientos. Parker remained in the game over the following three innings and successfully kept the Mets off the board to collect the first save of his major-league career. The 25-year-old southpaw posted a 7.19 ERA and 1.54 WHIP (across 56.1 innings) in 11 starts since the All-Star break, which prompted the Nationals to move Parker to the bullpen Friday.
Parker was dispatched in the sixth inning with two men on base and one out and managed to maintain the Nationals' one-run cushion by getting Jeff McNeil to pop out before striking out Mark Vientos. Parker remained in the game over the following three innings and successfully kept the Mets off the board to collect the first save of his major-league career. The 25-year-old southpaw posted a 7.19 ERA and 1.54 WHIP (across 56.1 innings) in 11 starts since the All-Star break, which prompted the Nationals to move Parker to the bullpen Friday.
Pitching Stats
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2025 MLB Game Log
2025
2024
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
82
Last 10 Games
56
Last 5 Games
21
How many pitches does Mitchell Parker 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+
What part of the game does Mitchell Parker generally pitch?
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
-5%
BAA vs RHP
2025
-1%
BAA vs LHP
| BAA | K | BB | H | HR | ||||
|---|---|---|---|---|---|---|---|---|
| Since 2023vs Left | .276 | 65 | 26 | 86 | 7 | |||
| Since 2023vs Right | .263 | 171 | 75 | 246 | 36 | |||
| 2025vs Left | .270 | 24 | 19 | 44 | 6 | |||
| 2025vs Right | .273 | 79 | 39 | 134 | 19 | |||
| 2024vs Left | .282 | 41 | 7 | 42 | 1 | |||
| 2024vs Right | .251 | 92 | 36 | 112 | 17 | |||
| 2023vs Left | 0 | 0 | 0 | 0 | 0 | |||
| 2023vs Right | 0 | 0 | 0 | 0 | 0 | |||
| More Splits→ | View More Split Stats | |||||||
Home/Away Pitching Splits
Since 2023
-33%
ERA at Home
2025
-5%
ERA at Home
| ERA | WHIP | IP | K/9 | BB/9 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Since 2023Home | 4.12 | 1.30 | 179.0 | 7.0 | 2.3 | ||||
| Since 2023Away | 6.19 | 1.47 | 136.2 | 6.3 | 3.7 | ||||
| 2025Home | 5.56 | 1.53 | 90.2 | 6.3 | 3.0 | ||||
| 2025Away | 5.84 | 1.31 | 74.0 | 4.9 | 3.4 | ||||
| 2024Home | 2.65 | 1.05 | 88.1 | 7.8 | 1.5 | ||||
| 2024Away | 6.61 | 1.66 | 62.2 | 8.0 | 4.0 | ||||
| 2023Home | 0 | 0 | 0 | 0 | 0 | ||||
| 2023Away | 0 | 0 | 0 | 0 | 0 | ||||
| More Splits→ | View More Split Stats | ||||||||
Stat Review
How does Mitchell Parker compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 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 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
1.78K/9
5.6BB/9
3.2HR/9
1.4Fastball
93.0 mphERA
5.68WHIP
1.43BABIP
.297GB/FB
1.06Left On Base
59.7%Exit Velocity
84.5 mphBarrels/BBE
6.1%Spin Rate
2074 rpmBalls Hit 95+ MPH
30.7%Swinging Strike
9.6%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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2024 Fantasy Outlook
A 24-year-old lefty, Parker has been a notable prospect in a shallow Nationals farm system for a couple years, but poor control and middling stuff limited his realistic upside. Parker primarily operates with a 92-mph four-seamer with solid movement and an 80-mph curveball while also mixing in a mid-80s splitter. He walked between 11.1 and 15.4 percent of batters from 2022 through 2023 while pitching in the mid-to-upper minors, and he doesn't have the pure stuff to have success with that many free passes, but only issued one walk in his first two starts of 2024, with one of those coming against the Dodgers' big-league lineup. Assuming Parker spends a good chunk of 2024 in the big-league rotation, he could be a deep-league streamer in good matchups, but there's not much data to suggest he can maintain the success he's had early in the season.
More Fantasy News
Shifting to bullpen
The Nationals have demoted Parker to the bullpen, Mark Zuckerman of MASNSports.com reports.
Analysis
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Pummeled in loss
Parker (8-16) suffered the loss Monday against Atlanta, coughing up six runs on 10 hits and one walk over five innings with one strikeout.
Analysis
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Earns win with quality start
Parker (8-15) allowed two runs on four hits and two walks over 7.2 innings Tuesday, striking out two and earning a win over the Marlins.
Analysis
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Can't compete five frames Wednesday
Parker came away with a no-decision in Wednesday's 10-5 win over the Marlins, giving up four runs (two earned) on seven hits and a walk over 4.2 innings. He struck out four.
Analysis
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Remains winless in August
Parker (7-15) took the loss Friday, giving up three runs on six hits over 6.1 innings as the Nationals fell 4-1 to the Rays. He struck out seven without walking a batter.
Analysis
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