2023 Stats
W-L
1-4
ERA
8.04
WHIP
1.96
K
33
SV
0
Rest-of-Season Projections
2023 Fantasy Outlook
Muller has logged three or more starts in the majors in back-to-back seasons but he still retains prospect eligibility heading into 2023. The big 6-foot-7 southpaw made notable improvements last year at Triple-A compared to 2021, upping his strikeout rate from 27.0% to 29.3% while dropping his walk rate from 12.9% to 7.4%. He scuffled down the stretch at Triple-A but showed stretches of dominance. Muller had two decent MLB starts in the second half and a terrible start where he walked six batters in 2.2 innings May 1, which dragged down his overall numbers. He threw a career-best 147 innings on the year, so he will be without restrictions in his age-25 season. The range of velocity on Muller's fastball was pretty wide (92 to 97 mph), and he will obviously be more successful if he can consistently sit in the mid-90s rather than regularly dipping into the low-90s. He throws all four of his pitches harder than the average MLB southpaw, and his upper-80s slider is arguably his best pitch. A trade from Atlanta to Oakland won't help Muller in the win column, but he should have a clear path to as many MLB starts as he can handle in 2023. Read Past Outlooks
RANKSFrom Preseason
#547
ADP

Optioned to Triple-A level
Oakland optioned Muller to Triple-A Las Vegas on Tuesday.
ANALYSIS
Muller was lit up for six earned runs on eight hits and two walks in a five-inning start Monday at Seattle. The 25-year-old left-hander carries a brutal 8.04 ERA in 47 innings (10 starts) this season at the major-league level.
Muller was lit up for six earned runs on eight hits and two walks in a five-inning start Monday at Seattle. The 25-year-old left-hander carries a brutal 8.04 ERA in 47 innings (10 starts) this season at the major-league level.
Pitching Stats
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2023
2022
2021
2020
2023 MLB Game Log
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Minor League Game Log

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Pitching Appearances Breakdown
Average Pitch Count
88
Last 10 Games
88
Last 5 Games
86
How many pitches does Kyle Muller 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 Kyle Muller 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 2021
-4%
BAA vs LHP
2023
-14%
BAA vs RHP
BAA | K | BB | H | HR | ||||
---|---|---|---|---|---|---|---|---|
Since 2021vs Left | .276 | 14 | 8 | 21 | 3 | |||
Since 2021vs Right | .289 | 68 | 43 | 87 | 10 | |||
2023vs Left | .395 | 4 | 2 | 15 | 2 | |||
2023vs Right | .338 | 29 | 21 | 54 | 7 | |||
2022vs Left | .000 | 2 | 3 | 0 | 0 | |||
2022vs Right | .295 | 10 | 5 | 13 | 2 | |||
2021vs Left | .188 | 8 | 3 | 6 | 1 | |||
2021vs Right | .206 | 29 | 17 | 20 | 1 | |||
More Splits→ | View More Split Stats |
Home/Away Pitching Splits
Since 2021
-15%
ERA at Home
2023
-45%
ERA at Home
ERA | WHIP | IP | K/9 | BB/9 | |||||
---|---|---|---|---|---|---|---|---|---|
Since 2021Home | 6.02 | 1.66 | 46.1 | 7.6 | 4.3 | ||||
Since 2021Away | 7.07 | 1.65 | 49.2 | 7.8 | 5.3 | ||||
2023Home | 5.70 | 1.77 | 23.2 | 6.5 | 3.0 | ||||
2023Away | 10.41 | 2.14 | 23.1 | 6.2 | 5.8 | ||||
2022Home | 0 | 0 | 0 | 0 | 0 | ||||
2022Away | 8.03 | 1.70 | 12.1 | 8.8 | 5.8 | ||||
2021Home | 6.35 | 1.54 | 22.2 | 8.7 | 5.6 | ||||
2021Away | 0.64 | 0.79 | 14.0 | 9.6 | 3.9 | ||||
More Splits→ | View More Split Stats |
Stat Review
How does Kyle Muller 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
1.43K/9
6.3BB/9
4.4HR/9
1.7Fastball
92.7 mphERA
8.04WHIP
1.96BABIP
.376GB/FB
1.54Left On Base
63.0%Exit Velocity
85.5 mphBarrels/BBE
7.4%Spin Rate
2251 rpmBalls Hit 95+ MPH
33.9%Swinging Strike
8.6%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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Past Fantasy Outlooks
2022
2021
2017
The last time Muller had a BB% below 12% was at Double-A in 2018, so while he has good size (6-foot-7, 250 pounds) and good stuff, it still requires a bit of a leap of faith to project him as a starter long term. His 93-mph fastball (up to 97) has above-average spin, while his upper-80s slider and low-80s curveball have strong characteristics and worked well against big-league hitters last season. As things stand, Muller will get to compete with Tucker Davidson for the fifth spot in the rotation, but it's possible Atlanta will bring in another starter after the lockout. Given his proximity and strikeout upside, the big southpaw should be a mid-round pick in draft-and-hold leagues, however, he would need a strong spring training to emerge as a solid reserve option in standard redraft leagues.
More Fantasy News

Hit hard in loss
Muller dropped to 1-4 on the season after allowing six runs on eight hits and two walks while striking out three over five innings in Monday's 11-2 loss to the Mariners.
ANALYSIS
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Gives up five in no-decision
Muller did not factor into the decision Tuesday, allowing five runs on eight hits over four innings against the Diamondbacks. He struck out three.
ANALYSIS
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Tagged with third loss
Muller (1-3) took the loss Wednesday, allowing six runs on five hits and three walks over four innings against the Yankees. He struck out six.
ANALYSIS
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Tagged with five runs
Muller (1-2) allowed five runs on eight hits and three walks over 5.1 innings, striking out one and earning a win over the Royals on Friday.
ANALYSIS
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Shows improvement in no-decision
Muller allowed one run on five hits and two walks over five innings against Cincinnati on Saturday. He struck out three and did not factor in the decision.
ANALYSIS
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