Dan Rozenson

  • joined Mar 18, 2013
  • last login Mar 21, 2014
  • posts 9
  • comments 50

Ask me about PITCHf/x.

I am a research assistant at Baseball Prospectus, where I help maintain the Brooks Baseball website and sometimes write about pitching.

A Fan Of...

  • MLB Washington Nationals
  • General New York Yankees
User Blog

Clayton Kershaw is your 2013 NL Cy Young leader


The last time a Dodgers lefty dominated hitters like Clayton Kershaw is was 1966. Kershaw's miniscule ERA should not be chalked up to luck, and it should be recognized with his second Cy Young trophy.

Don't Panic: Brandon Beachy should be fine


His first start back from Tommy John surgery was a little messy, but Beachy's velocity and mechanics are no different than they were last year.

Gerrit Cole and Strikeouts


Normally when a guy hits 100 mph on his fastball, he incorporates strikeouts as a major part of his pitching strategy. Gerrit Cole does not -- is that a problem?

Solving the Phil Hughes enigma


How a tiny mechanical glitch turns Phil Hughes from a front-line starter into a home run machine.

Which Pitchers Are Suffering the Wrath of BABIP?


Brandon McCarthy, Vance Worley, and Max Scherzer have ERAs that are out of wack with their peripheral stats. The BABIP gods may be to blame.

Why Doesn't Stephen Strasburg Dominate Lefties?


Stephen Strasburg is better against righties than any other starter. His platoon splits are unusually large, though. What can he do to even them out?

When will Strasburg's first shutout come?


Stephen Strasburg has never thrown a pitch in the 8th inning of a major league game. His coaches have some ideas of how to stretch him out, but what's really keeping him from finishing his starts?

A Saber-Friendly Preview of James Shields


Longtime Tampa Bay Ray James Shields anchors a revamped Kansas City rotation in 2013. After a disappointing 2010, terrific 2011, and respectable 2012, what's in store for Complete Game James in his...

The Halladay Mystery: Can He Still Be Elite?


Roy Halladay used to be the best pitcher in the National League. Lately, he's looked nothing like himself. What can PITCHf/x and advanced pitching stats tell us about how he's likely to perform in...

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