Kenneth
Kelly
PAge : 37Throws : R
#29
Merrill Kelly
Height : 6' 2" · Weight : 95 kg · Bats : R · Throws : R · MLB debut : 2019-04-01
Born in : Houston, TX, USA
MLB record
| Year | Team | PJ | V | D | MPM | MJ | RB | WHIP |
|---|---|---|---|---|---|---|---|---|
| 2026 | Arizona Diamondbacks | 29 | 10 | 14 | 4.94 | 162.0 | 113 | 1.46 |
| 2025 | 32 | 12 | 9 | 3.52 | 184.0 | 167 | 1.11 | |
| 2025 | Texas Rangers | 10 | 3 | 3 | 4.23 | 55.1 | 46 | 1.25 |
| 2025 | Arizona Diamondbacks | 22 | 9 | 6 | 3.22 | 128.2 | 121 | 1.06 |
| 2024 | Arizona Diamondbacks | 13 | 5 | 1 | 4.03 | 73.2 | 63 | 1.17 |
| 2023 | Arizona Diamondbacks | 30 | 12 | 8 | 3.29 | 177.2 | 187 | 1.19 |
| 2022 | Arizona Diamondbacks | 33 | 13 | 8 | 3.37 | 200.1 | 177 | 1.14 |
| 2021 | Arizona Diamondbacks | 27 | 7 | 11 | 4.44 | 158.0 | 130 | 1.29 |
| 2020 | Arizona Diamondbacks | 5 | 3 | 2 | 2.59 | 31.1 | 29 | 0.99 |
| 2019 | Arizona Diamondbacks | 32 | 13 | 14 | 4.42 | 183.1 | 158 | 1.31 |
| Career totals | 201 | 75 | 67 | 3.93 | 1170.1 | 1024 | 1.23 | |
ContractArizona Diamondbacks payroll →
- Type
- Free Agent
- Length
- 2 yrs · 2026–2027
- Total value
- 40.0 M$
- AAV
- 20.00 M$
2026
18.00 M$
Guaranteed
2027
22.00 M$
Guaranteed
2028
12.00 M$
Vesting
Limited no-trade clause
Advanced stats, 2026Starting pitcherMLB stats →
ERA
4.94
FIP
5.32
xFIP
4.90
ERA-
118
WHIP
1.46
K%
16.1 %
BB%
9.9 %
Strikeouts
113
Innings
162.0
Wins
10
Stats: MLB (statsapi) and Baseball Savant.
2027 projectionMLB trends →
Projected WAR
-0.1
Strikeouts
112
2026 WAR
-0.1
This season's pace, over the average of the last two workloads, adjusted for next year's age.
Trend
↓ Declining (-24)
- 20233.2 WAR · 3.2 per full season
- 20240.7 WAR · 1.7 per full season
- 20253.2 WAR · 3.1 per full season
- 2026-0.1 WAR · -0.1 per full season
Outlook, age included
-54 · 37 y.o. · the age when performance usually declines
It is only a projection. It knows nothing about injuries, trades or role changes.
Player ratings, 2026All ratings →
Ratings from 0 to 100, computed from Statcast and MLB stats over four seasons, never by hand. 75 = established regular, 87 = 90th percentile, 95+ = elite.
OV · Overall
57
Replacement or prospect
- VEL
- Velocity
- 59
- STF
- Stuff
- 63
- CTL
- Control
- 70
- CNT
- Contact allowed
- 51
- STA
- Stamina
- 81
- DUR
- Durability
- 84
- EX
- Experience
- 75
Why these ratings?Hide details
- VEL — Velocity : Fastball velocity
- STF — Stuff : Strikeouts, K − BB
- CTL — Control : Walks avoided
- CNT — Contact allowed : xwOBA, barrels and hard-hit balls allowed
- STA — Stamina : Innings per start and innings pitched
- DUR — Durability : Games played over several seasons
- EX — Experience : Seasons in the majors
WAR and PAL Rating, 2026How we rate →
WAR is fWAR (FanGraphs' version, distributed through MLB's API): wins added above a replacement player. PAL Rating scores performance from 0 to 100 against regulars in the same role (50 = median).
WAR
-0.1
#155 of 166 regular starters
PAL Rating
3 / 100
#161 of 166 regular starters
Value Rating
3 / 100
Surplus $-21.0M · salary $20.0MPAL: dimensions
A pitcher's WAR
Computed by MLB from FIP (strikeouts, walks, home runs). FIP: 5.32 · RA9-WAR: 0.9
StatcastStatcast leaderboards →
MLB's tracking of every ball, 2026 season. The percentile ranks the player among regulars in the role: 90th means better than 90% of them.
Fastball
92.1 mi/h
11th percentile
K%
16.1 %
7th percentile
BB%
9.9 %
20th percentile
xERA
6.35
2th percentile
xwOBA allowed
.377
2th percentile
Barrels allowed
11.0 %
5th percentile
| Season | Team | WAR | PAL | OV | Fastball | K% | BB% | xERA | xwOBA allowed |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | AZ | -0.1 | 3 | 57 | 92.1 | 16.1 | 9.9 | 6.35 | .377 |
| 2025 | TEX | 3.2 | 75 | 77 | 91.9 | 22.3 | 6.4 | 4.16 | .316 |
| 2024 | AZ | 0.7 | 37 | 75 | 91.9 | 21.0 | 6.3 | 4.97 | .345 |
| 2023 | AZ | 3.2 | 75 | 79 | 92.2 | 25.9 | 9.6 | 4.13 | .313 |
| 2022 | AZ | 3.2 | 70 | 79 | 92.6 | 22.0 | 7.6 | 3.62 | .299 |
| 2021 | AZ | 2.2 | 55 | 77 | 91.7 | 19.5 | 6.1 | 4.48 | .324 |
Game log, 2026
| Date | Opponent | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Sep 23 | @ COL | 5.1 | 4 | 2 | 1 | 2 | 4.94 |
| Sep 16 | vs MIA | 4.2 | 7 | 3 | 2 | 9 | 5.00 |
| Sep 11 | vs TEX | 4.1 | 2 | 1 | 3 | 3 | 4.97 |
| Sep 4 | @ HOU | 6.0 | 7 | 3 | 0 | 4 | 5.06 |
| Aug 29 | @ SF | 7.0 | 2 | 0 | 4 | 7 | 5.08 |
| Aug 24 | vs CHC | 5.2 | 5 | 3 | 3 | 4 | 5.35 |
| Aug 18 | @ BOS | 4.0 | 7 | 6 | 4 | 2 | 5.37 |
| Aug 12 | vs COL | 5.0 | 6 | 6 | 3 | 2 | 5.11 |
| Aug 7 | vs LAD | 5.2 | 2 | 1 | 4 | 4 | 4.88 |
| Aug 2 | @ CLE | 5.0 | 8 | 5 | 4 | 5 | 5.04 |