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The new Matt Cain

Matt Cain panic is the new panic.

Ralph Freso

I think it was on this past week's ESPN Sunday Night Baseball broadcast when it was brought up that Matt Cain is throwing fewer and fewer fastballs than ever before. It's a pretty good point to note, and I thought ESPN did a nice job with presenting that particular data point.

Over the past few years, Matt Cain has started to change as a pitcher. More recently, he is throwing fewer fastballs than ever before. In fact, in 2013, among starting pitchers that threw at least 150 innings, Cain's fastball percentage (48.8 percent) ranked 73rd among a total of 90 pitchers. (I took out R.A. Dickey because that didn't seem fair.) The average pitcher in this sample had a fastball percentage of 55.8 percent. Cain is flanked by players like Eric Stults (49.1) and Anibal Sanchez (47.3). Not throwing the fastball doesn't necessarily equate to being a poor starting pitcher -- Adam Wainright and Madison Bumgarner hardly ever throw them -- but when he first came into the major leagues, Cain was primarily a fastball-first pitcher with a very good 12-6 curve and an evolution away from what got him to the big leagues is noteworthy.

Cain has largely shifted his approach away from the fastball to now throwing more sliders. The line graph below depicts the fastball percentage (fastballs/total pitches) and slider percentage (sliders/total pitches) for Matt Cain.

Here's a graph, because I love graphs.


Data table for the pitch percentages:

Year Slider Fastball
2009 11.5% 59.5%
2010 9.3% 63.2%
2011 16.2% 54.7%
2012 20.0% 50.5%
2013 28.5% 48.7%

Data table for raw pitch totals:

Year Slider Fastball
2009 388 2002
2010 327 2213
2011 565 1907
2012 668 1690
2013 832 1423

Cain threw over 2,000 fastballs in 2009 and 2010. He dropped to 1,907 fastballs in 2011, and then he threw 217 fewer fastballs in 2012. In 2013, he threw even fewer, chopping off another 267 fastballs from his previous year total. (It's worth mentioning that Cain threw only 184 innings in 2013 and that will affect raw totals like we're looking at, but even when you look at pitch percentages, he shows the same trend -- less fastballs, more sliders.)

Cain has lowered his vertical release point -- something I've written on a little in the past -- and while it's most assuredly related to throwing more sliders, I still don't know what to make of it.


My general rule of thumb: I get a little hinky when pitchers start changing their arm slots, or anything at all, really. It's probably a bit of an overreaction, but pitchers are full of things like "tendons" and "muscles" and "ligaments" -- whatever those are -- that can go sproing at any moment, and change freaks me out.

Players rarely change the way they operate unless they feel it's to their advantage. Even though I tend to be a cautious person when it comes to this stuff, I'm a little anxious about it. Mostly because A) Matt Cain is a pitcher and they break all the time and B) the team will be paying him $20M per season until 2017, when they can buy him out for $7.5M if they so choose.

It's entirely too early to say that the changes that Matt Cain has made -- or is in the progress of continuing to make -- are Good Things™ or Bad Things™. At this point, they are just Things™. But, I think it's worth paying attention to.