Players · R · Pitcher · 2026
Tanner Rainey
- Age
- 34
- B/T
- R/R
- Height
- 6' 3"
- Weight
- 245 lb
- Number
- #56
- Born
- December 25, 1992 in Folsom, LA, United States
- MLB debut
- April 10, 2018
- Drafted
- 2015, round CB-B
- College
- West Alabama
- High school
- Saint Paul's School
- dbWAR
- -.7 10 season(s)
- IP
- 7.0
- ERA
- 3.86
- FIP
- 5.25
- K/9
- 7.7
- FIP−
- 126 100 = avg
Tanner Rainey is a relief pitcher for the Detroit Tigers. In 2026 he struck out 6 batters over 7.0 innings across 6 appearances, going 0-0. His ERA of 3.86 is 7.7% lower than the league average of 4.18. Stripping out defence, his 5.25 FIP suggests that his ERA had some help behind him. He missed bats on 39.5% of swings (13.4% of every pitch he threw), walked 25.8% of the batters he faced and struck out 19.4%. His -0.0 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, 2026.
WAR by season
Pitching
Standard and advanced, by season.
| Trend | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | DET | 6 | 0 | 7.0 | 0 | 0 | 0 | 3 | 3 | 6 | 8 | 3.86 | 5.25 | 1.57 | 7.7 | 10.3 | 92 | 126 | -0.0 | |
| 2025 | PIT/DET | 13 | 0 | 9.2 | 0 | 1 | 0 | 8 | 12 | 11 | 9 | 11.17 | 3.96 | 1.76 | 10.2 | 8.4 | 269 | 95 | 0.1 | |
| 2024 | WSH | 50 | 0 | 51.0 | 0 | 0 | 0 | 47 | 27 | 44 | 29 | 4.76 | 5.42 | 1.49 | 7.8 | 5.1 | 117 | 133 | -0.5 | |
| 2023 | WSH | 1 | 0 | 1.0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0.00 | 4.26 | 2.00 | 9.0 | 9.0 | 0 | 98 | 0.0 | |
| 2022 | WSH | 29 | 0 | 30.0 | 1 | 3 | 12 | 26 | 11 | 36 | 13 | 3.30 | 4.18 | 1.30 | 10.8 | 3.9 | 83 | 105 | 0.1 | |
| 2021 | WSH | 38 | 0 | 31.2 | 1 | 3 | 3 | 29 | 26 | 42 | 25 | 7.39 | 5.63 | 1.71 | 11.9 | 7.1 | 173 | 132 | -0.3 | |
| 2020 | WSH | 20 | 0 | 20.1 | 1 | 1 | 0 | 8 | 6 | 32 | 7 | 2.66 | 3.78 | 0.74 | 14.2 | 3.1 | 60 | 85 | 0.3 | |
| 2019 | WSH | 52 | 0 | 48.1 | 2 | 3 | 0 | 32 | 21 | 74 | 38 | 3.91 | 4.37 | 1.45 | 13.8 | 7.1 | 87 | 97 | 0.4 | |
| 2018 | CIN | 8 | 0 | 7.0 | 0 | 0 | 0 | 13 | 19 | 7 | 12 | 24.43 | 13.73 | 3.57 | 9.0 | 15.4 | 589 | 331 | -0.7 |
Batting
Standard and advanced, by season.
| Trend | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | WSH | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 | .000 | — | 0.0% | 100.0% | .000 | -0.3 | -116 | -0.0 | — |
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 | 16 | 12 | 1 | 0 | 4 | 4 | .083 | .313 | .083 | .237 | 25.0% |
| vs RHB | 15 | 10 | 2 | 0 | 4 | 2 | .200 | .467 | .300 | .386 | 13.3% |
Pitch sequencing
What Tanner Rainey throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what Tanner Rainey throws in it.
Pitch arsenal
What he throws, how hard, how often it misses, and what hitters do with it.
| Four-Seam Fastball | 62 | 96.7 | 2,404 | 41.9% | 34.8% | 16 | .125 | .521 | |
| Slider | 49 | 88.2 | 2,349 | 40.8% | 43.8% | 4 | — | — | |
| Curveball | 15 | 84.0 | 2,423 | 26.7% | 33.3% | 3 | — | — |
Head to head
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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.