Players · N · Pitcher · 2006 regular season
Jeff Nelson
- Age
- 40
- B/T
- R/R
- Height
- 6' 8"
- Weight
- 225 lb
- Number
- #43
- Born
- November 17, 1966 in Baltimore, MD, United States
- MLB debut
- April 16, 1992
- dbWAR
- -.0 Regular season, 2005–2006 only
- IP
- 2.2
- ERA
- 3.38
- FIP
- 12.15
- K/9
- 6.8
- FIP−
- 268 100 = avg
Jeff Nelson was a relief pitcher for the Chicago White Sox. In 2006 he struck out 2 batters over 2.2 innings across 6 appearances, going 0-1. His ERA of 3.38 was 25.4% lower than the league average of 4.53. Stripping out defence, his 12.15 FIP suggests that his ERA had some help behind him. He missed bats on 27.8% of swings (9.3% of every pitch he threw), walked 33.3% of the batters he faced and struck out 13.3%. His -0.2 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, 2006 regular season.
WAR by season
Pitching Regular season
Standard and advanced, by season. Regular-season games only. Seasons on file run 2005–2006; his career began in 1992, and earlier seasons are not in this data yet.
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 | 5 | 3 | 0 | 0 | 2 | 1 | .000 | .400 | .000 | .182 | 20.0% |
| vs RHB | 10 | 7 | 3 | 1 | 3 | 1 | .429 | .600 | 1.000 | .634 | 10.0% |
Not in the 2006 data: pitch types, recorded in every park from 2008. The play-by-play goes back to 2005, but the measurements on each pitch and batted ball arrived later, so the panels built from them are left off this season.
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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.