Pitcher · 2023
Keynan Middleton
- Age
- 30
- B/T
- R/R
- Height
- 6' 3"
- Weight
- 230 lb
- Born
- September 12, 1993 in Portland, OR, USA
- MLB debut
- May 5, 2017
- dbWAR
- .6 7 season(s)
- IP
- 50.2
- ERA
- 3.38
- FIP
- 4.20
- K/9
- 11.4
- FIP−
- 97 100 = avg
Keynan Middleton is a relief pitcher for the Chicago White Sox. In 2023 he struck out 64 batters over 50.2 innings across 51 appearances, going 2-2. His ERA of 3.38 was 22.1% lower than the league average of 4.33 — the third best on his team, and 136th of 550 among MLB pitchers with 20+ innings. Stripping out defence, his 4.20 FIP suggests that his ERA had some help behind him. He missed bats on 36.0% of swings (18.6% of every pitch he threw), walked 10.8% of the batters he faced and struck out 30.2%. His 0.3 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.
League context
Percentile among qualified pitchers, 2023.
Pitching
Standard and advanced, by season.
| Trend | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 51 | 0 | 50.2 | 2 | 2 | 2 | 40 | 19 | 64 | 23 | 3.38 | 4.20 | 1.24 | 11.4 | 4.1 | 78 | 97 | 0.3 | |
| 2022 | 18 | 0 | 17.0 | 1 | 2 | 0 | 16 | 10 | 15 | 3 | 5.29 | 5.88 | 1.12 | 7.9 | 1.6 | 133 | 148 | -0.3 | |
| 2021 | 32 | 1 | 31.0 | 1 | 2 | 4 | 30 | 17 | 24 | 19 | 4.94 | 4.49 | 1.58 | 7.0 | 5.5 | 116 | 105 | 0.1 | |
| 2020 | 13 | 0 | 12.0 | 0 | 1 | 0 | 12 | 7 | 11 | 6 | 5.25 | 5.02 | 1.50 | 8.3 | 4.5 | 118 | 113 | -0.0 | |
| 2019 | 11 | 0 | 7.2 | 0 | 0 | 0 | 4 | 1 | 6 | 7 | 1.17 | 4.39 | 1.43 | 7.0 | 8.2 | 26 | 97 | 0.0 | |
| 2018 | 16 | 0 | 17.2 | 0 | 0 | 6 | 14 | 4 | 16 | 9 | 2.04 | 3.78 | 1.30 | 8.2 | 4.6 | 49 | 91 | 0.2 | |
| 2017 | 64 | 0 | 58.1 | 6 | 1 | 3 | 60 | 25 | 63 | 18 | 3.86 | 4.37 | 1.34 | 9.7 | 2.8 | 89 | 100 | 0.3 |
Platoon splits
How left- and right-handed hitters fare against him.
| Split | PA | AB | H | HR | BB | SO | AVG | OBP | SLG | wOBA | K% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| vs LHB | 87 | 83 | 17 | 4 | 4 | 25 | .205 | .241 | .361 | .260 | 28.7% |
| vs RHB | 125 | 104 | 23 | 4 | 19 | 39 | .221 | .347 | .365 | .323 | 31.2% |
Pitch sequencing
What Keynan Middleton throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what Keynan Middleton throws in it.
Pitch arsenal
What he throws, how hard, and how often it misses in 2023.
| Changeup | 367 | 87.7 | 1,872 | 56.9% | 37.7% | |
| Slider | 264 | 85.8 | 2,404 | 44.3% | 35.3% | |
| Four-Seam Fastball | 225 | 95.5 | 2,391 | 49.8% | 33.0% |
Head to head
Put Keynan Middleton beside up to three others.
Similar players
Nearest 2023 seasons by command, run prevention and role, on rate statistics rather than totals.
wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.