Pitcher · 2015
C.J. Riefenhauser
- Age
- 25
- B/T
- L/L
- Height
- 6' 0"
- Weight
- 195 lb
- Number
- #34
- Born
- January 30, 1990 in Yonkers, NY, USA
- MLB debut
- April 19, 2014
- dbWAR
- -.3 1 season(s)
- IP
- 14.2
- ERA
- 5.52
- FIP
- 6.27
- K/9
- 4.3
- FIP−
- 158 100 = avg
C.J. Riefenhauser is a relief pitcher for the Tampa Bay Rays. In 2015 he struck out 7 batters over 14.2 innings across 17 appearances, going 1-0. His ERA of 5.52 was 39.4% higher than the league average of 3.96. Stripping out defence, his 6.27 FIP suggests that his ERA had some help behind him. He missed bats on 21.6% of swings (9.9% of every pitch he threw), walked 11.3% of the batters he faced and struck out 11.3%. 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, 2015.
Pitching
Standard and advanced, by season.
| Trend | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 17 | 0 | 14.2 | 1 | 0 | 0 | 15 | 9 | 7 | 7 | 5.52 | 6.27 | 1.50 | 4.3 | 4.3 | 139 | 158 | -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 | 30 | 26 | 10 | 3 | 4 | 5 | .385 | .467 | .808 | .535 | 16.7% |
| vs RHB | 32 | 27 | 5 | 0 | 3 | 2 | .185 | .258 | .222 | .224 | 6.3% |
Pitch sequencing
What C.J. Riefenhauser throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what C.J. Riefenhauser throws in it.
Pitch arsenal
What he throws, how hard, and how often it misses in 2015.
| Slider | 131 | 77.0 | 688 | 48.1% | 27.1% | |
| Four-Seam Fastball | 93 | 88.8 | 1,797 | 38.7% | 17.5% | |
| Changeup | 29 | 78.7 | 1,637 | 48.3% | 11.8% |
Head to head
Put C.J. Riefenhauser beside up to three others.
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.