Written by Josh W. | 21 June 2010

CC is having his best month so far this year. In June he has a 2.48 ERA, 3.13 FIP, and a 3.46 xFIP, all excellent numbers. His improved numbers have come mainly by way of improved strikeout numbers. His K/9 this month is 8.69, over 1.4 more strikeouts per nine than any other month, a huge jump. He is punching out more batters this month because of nastier secondary pitches:

March-May (SL = slider, CH = changeup, CU = curveball):

Ball Take 36.7% 61.9% 35.1% 45.2% 30.3% 45.7% 43.3% 58.9% 33.3% 66.7% 66.7% 100.0%

Type	Count	Selection	Strike	Swing	Whiff	Foul	In Play
FF	504	48.6%	63.3%	38.1%	4.6%	16.7%	16.9%
CH	188	18.1%	64.9%	54.8%	16.0%	18.1%	20.7%
SI	175	16.9%	69.7%	54.3%	8.0%	13.1%	33.1%
SL	141	13.6%	56.7%	41.1%	15.6%	12.8%	12.8%
CU	27	2.6%	66.7%	33.3%	7.4%	14.8%	11.1%
FA	3	0.3%	33.3%	0.0%	0.0%	0.0%	0.0%

June:

Ball Take 36.9% 59.1% 31.5% 42.6% 47.8% 52.2% 26.5% 50.0% 36.4% 48.5%

Type	Count	Selection	Strike	Swing	Whiff	Foul	In Play
FF	252	60.1%	63.1%	40.9%	4.4%	16.7%	19.8%
CH	54	12.9%	68.5%	57.4%	25.9%	13.0%	18.5%
SI	46	11.0%	52.2%	47.8%	8.7%	17.4%	21.7%
SL	34	8.1%	73.5%	50.0%	32.4%	5.9%	11.8%
CU	33	7.9%	63.6%	51.5%	24.2%	15.2%	12.1%

As you can see, his secondary pitches are being swung through quite often now. What's also really important here is that in June, he has thrown his slider for a strike way more often than earlier in the year, suggesting improved command. When looking at the movement of his pitches, one can see that his breaking ball(s?) especially have sharpened up:

March-May

Type	Count	Selection	Velocity (mph)	Vertical (in)	Horizontal (in)
SL	141	13.6%	80.4	-0.63	-5.75
CU	27	2.6%	78.5	-3.85	-2.03

June

Type	Count	Selection	Velocity (mph)	Vertical (in)	Horizontal (in)
SL	34	8.1%	80.8	-1.27	-2.96
CU	33	7.9%	80.9	-3.10	-0.88

In June he has lost a considerable amount of horizontal movement, but gained vertical movement (assuming that his curveball and slider are basically the same pitch). This indicates that his slider/curve was a little flat earlier in the year, and he has since added more tilt to the pitch.

His release points also look a little tighter:

March-May                                                                                               June

*obviously the march-may chart is going to be more crowded (than the June chart) because of more pitches thrown during that time-period. Additionally, the horizontal changes in release point  may have more to do with changes in where Sabathia stands on the rubber than actual release point differences. I also apologize for the changing color of the pitches from chart to chart.

It certainly looks like Sabathia has found his secondary pitches, particularly his slider/curve. He's throwing his slider/curve with better tilt and much better command. This improvement can also be seen by looking at linear weight values, found on Fangraphs:

	wSL/C
March/April	2.71
May	1.17
June	3.46

As a result of his improved secondary pitches, batters are chasing balls and swinging through Sabathia's pitches more often:

	0-swing	SwStr%
March/April	29%	10.5%
May	29.7%	6.8%
June	34.2%	11.2%

It is quite clear that his secondary pitches are better this month than previously in the year (march-april), yet for some reason Sabathia is actually throwing fastballs more often.

	fastball + sinker %
March-May	65.8%
June	71.1%

Tomorrow will be like any other day for CC. He will wake up in the morning and run to his computer to check www.pendingpinstripes.net/, his favorite blog. When he does, I hope he will realize that he has found his awesome secondary pitches, and that he should probably throw them over 30% of the time.

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