Players · B · Pitcher · 2012 regular season

Jason Berken

Age: 29
B/T: R/R
Height: 6' 0"
Weight: 210 lb
Number: #49

Born: November 27, 1983 in Green Bay, WI, United States
MLB debut: May 26, 2009

dbWAR: -.2
IP: 19.2
ERA: 5.49
FIP: 6.50
K/9: 5.0
FIP−: 162

Jason Berken was a starting pitcher for the Chicago Cubs. In 2012 he struck out 11 batters over 19.2 innings across 5 appearances, 4 of them starts, going 0-3. His ERA of 5.49 was 36.8% higher than the league average of 4.01. Stripping out defence, his 6.50 FIP suggests that his ERA had some help behind him. He missed bats on 15.5% of swings (7.2% of every pitch he threw), walked 7.4% of the batters he faced and struck out 11.6%. His -0.4 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, 2012 regular season.

FIP6.50

K/95.0

WHIP1.83

WAR-.4

WAR by season

Pitching Regular season

Standard and advanced, by season. Regular-season games only.


2012	CHC/BAL	5	4	19.2	0	3	29	12	11	7	5.49	6.50	1.83	5.0	3.2	137	162	-0.4
2011	BAL	40	0	47.0	1	2	63	28	41	21	5.36	5.45	1.79	7.9	4.0	136	138	-0.6
2010	BAL	41	0	62.1	3	3	64	21	45	19	3.03	3.59	1.33	6.5	2.7	74	88	0.8
2009	BAL	24	24	119.2	6	12	164	87	66	44	6.54	5.31	1.74	5.0	3.3	151	123	0.1

Batting Regular season

Standard and advanced, by season. Regular-season games only.

																					Trend
2012	CHC	4	5	0	0	0	0	0	1	.000	.000	.000	.000	.000	0.0%	20.0%	.000	-1.2	-118	-0.1
2009	BAL	1	1	0	0	0	0	0	1	.000	.000	.000	.000	—	0.0%	100.0%	.000	-0.3	-125	-0.0

Platoon splits

How left- and right-handed hitters fare against him.

Season

Opponent batting by the side the hitter bats from, 2012. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
Split	PA	AB	H	HR	BB	SO	AVG	OBP	SLG	wOBA	K%
vs LHB	39	35	10	3	3	5	.286	.333	.600	.396	12.8%
vs RHB	56	50	19	2	4	6	.380	.436	.660	.471	10.7%

Spray chart

Where every ball he put in play landed, 2012.

Loading 4 batted balls…

Hot and cold zones

Batting average by pitch location, 2012.

Below averageLeague averageAbove average

Batting average by location of the pitch that ended each plate appearance, catcher's view. The bordered square is the strike zone; the outer band is chase territory. Cells with fewer than 8 at-bats are left grey rather than shown as signal. League average on the same attribution is .254.

Pitch sequencing

What Jason Berken throws in each count, and what he follows each pitch with. Select any cell for the breakdown.

ShowBatter

Four-seamSliderSinkerChangeupCutter

Select a count to see exactly what Jason Berken throws in it.

Pitch arsenal

What he throws, how hard, how often it misses, and what hitters do with it.

Season


Four-Seam Fastball	49.8%	166	90.3	2,097	38.6%	11.3%	39	.385	1.162
Slider	21.6%	72	82.7	528	44.4%	28.2%	22	.273	.697
Sinker	13.8%	46	90.3	2,418	43.5%	20.0%	8	—	—
Changeup	11.1%	37	83.4	1,694	27.0%	5.0%	14	—	—
Cutter	3.3%	11	90.2	1,686	54.5%	0.0%	1	—	—

Jason Berken's arsenal by usage. Velocity is average release speed in mph, spin in rpm, and whiff rate is misses per swing — the cleanest single measure of whether a pitch beats hitters. BAA and OPS are what hitters did against each pitch, credited to the one that ended the plate appearance, and are left blank under 15 at-bats.

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Jason Berken

How these are computed

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.