Players · M · Pitcher · 2009 regular season
Jay Marshall
- Age
- 26
- B/T
- L/L
- Height
- 6' 5"
- Weight
- 205 lb
- Number
- #52
- Born
- February 25, 1983 in St. Louis, MO, United States
- MLB debut
- April 2, 2007
- dbWAR
- -.1 Regular season, 2 season(s)
- IP
- 7.1
- ERA
- 14.73
- FIP
- 5.01
- K/9
- 1.2
- FIP−
- 116 100 = avg
Jay Marshall was a relief pitcher for the Oakland Athletics. In 2009 he struck out 1 batter over 7.1 innings across 10 appearances, going 0-2. His ERA of 14.73 was 240.8% higher than the league average of 4.32. Stripping out defence, his 5.01 FIP suggests he pitched better than his ERA shows. He missed bats on 5.6% of swings (2.6% of every pitch he threw), walked 0.0% of the batters he faced and struck out 2.9%. 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, 2009 regular season.
WAR by season
Pitching Regular season
Standard and advanced, by season. Regular-season games only.
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 | 14 | 12 | 4 | 0 | 0 | 0 | .333 | .333 | .417 | .332 | 0.0% |
| vs RHB | 21 | 20 | 9 | 1 | 0 | 1 | .450 | .476 | .700 | .513 | 4.8% |
Pitch sequencing
What Jay Marshall throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what Jay Marshall throws in it.
Pitch arsenal
What he throws, how hard, how often it misses, and what hitters do with it.
| Sinker | 88 | 83.6 | 2,091 | 37.5% | 7.3% | 25 | .480 | 1.200 | |
| Changeup | 25 | 75.0 | 1,700 | 32.0% | 0.0% | 7 | — | — |
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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.