Sabersphere 3/4: Martin Perez, Ricky Romero, Ian Kennedy

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The best saber-links from Friday and the weekend.

I'm going to make this short and sweet, because I have to a work a 12 hour shift at the hospital tomorrow. Read the links, be awesome.

The Anatomy of a Whiff: Changeups by Glenn DuPaul | Beyond the Box Score
Glenn continues his series on whiffs, this time analyzing the factors that go into swings and misses on changeups.
Regression and Recovery Candidates for 2013 by Max Weinstein | Beyond the Box Score
How do we predict batted ball numbers, and what do those predictions tell us about what a batter will do in the following year?
For Ricky Romero, It Is Much More Than The Sinker by Lee Trocinski | Beyond the Box Score
Ricky Romero was one of the worst pitchers in baseball last year. His lack of success has been largely blamed on the decreased usage of his sinker, but there's a lot more to be worried about.
Will Adrian Gonzalez Rebound in 2013? by Alex Kienholz | Beyond the Box Score
Chris Cwik recently gave a fairly pessimistic point of view on Adrian Gonzalez over on FanGraphs. Alex responds with a different point of view.
The World Baseball Classic: Desert Versus Excitement by Matt Hunter | Beyond the Box Score
Sorry for the shameless self-promotion. I take a look at the World Baseball Classic and consider a radical proposal to change it's format.
Site News: Beyond the Box Score in 2013 by Bryan Grosnick | Beyond the Box Score
We have some big news for the future of Beyond the Box Score. Read about it.

Additional Contributors to Rising Strikeouts by Jeff Sullivan | FanGraphs Baseball
Most aspects of baseball rise and fall in waves, but strikeouts have been steadily rising for decades. Which factors have most contributed to this trend? Jeff investigates.
Watching the Worst Game of 2012 by Sam Miller | Baseball Prospectus
Maybe this isn't quite saber-related, but do I care? No. Because it's absolutely hysterical.
Raising Aces: Over the Radar by Doug Thorburn | Baseball Prospectus
Generally, studies have shown that velocity slowly decreases as a pitcher's career progresses, even in the early twenties. Some, however, have managed to increase velocity as they age. Find out who.

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