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or browse research articles in the Baseball Prospectus Library

April 29, 2010

Seidnotes: Volume 1

by Eric Seidman

Is it better for a pitcher to give up runs all at once or spread them out?

April 22, 2010

Checking the Numbers: The Doctor is Operating

by Eric Seidman

The Phillies' new ace has been nearly untouchable in his first four starts.

April 21, 2010

Checking the Numbers: Churn and Burn

by Eric Seidman

Can a player's performance one week have any predictive power on how he will perform during the next week?

April 16, 2010

Checking the Numbers: Braves Bullpen Makeover

by Eric Seidman

The Braves took on greater risk but spent less money in building the back end of their bullpen.

April 9, 2010

Checking the Numbers: Spring Forward

by Eric Seidman

Exhibition statistics have little bearing on roster decisions.

April 6, 2010

Checking the Numbers: SHINOMetrics

by Eric Seidman

Understanding neuroscience could help devolop better switch-hitters.

April 2, 2010

Checking the Numbers: SHINO-myte!

by Eric Seidman

Those who switch-hit in name only make up a rare cadre all their own.

March 24, 2010

Checking the Numbers: All's Wells That Ends Wells

by Eric Seidman

What's to be done with the last albatross left north of the border?

March 16, 2010

Checking the Numbers: The All Paid By My Former Employer Team

by Eric Seidman and Jeff Euston

Sometimes teams have to bite the bullet and pay players just to go away.

March 13, 2010

Between The Numbers: The Rounded Slash Line

by Eric Seidman

Chris Coghlan came oh so close to joining an elite secret society last season.

March 10, 2010

Checking the Numbers: Leaving the Innings Buffet

by Eric Seidman

Not all LAIM moundsmen live down to the label, so why is there so little love for Joe Blanton?

March 3, 2010

Checking the Numbers: Power Sapped

by Eric Seidman

David Wright's power drain in 2009 was nearly unprecedented and almost certainly a fluke.

February 24, 2010

Checking the Numbers: The Crystal Orb of SIERA

by Eric Seidman

Baseball Prospectus' new metric looks at some pitchers ready to break out and others ready to step back.

February 12, 2010

Introducing SIERA: Part 5

by Matt Swartz and Eric Seidman

A look at three starters who illustrate the predictive strength of Baseball Prospectus' new pitching metric.

February 11, 2010

Introducing SIERA: Part 4

by Matt Swartz and Eric Seidman

The estimators are tested to show the strength of Baseball Prospectus' new pitching metric.

February 10, 2010

Introducing SIERA: Part 3

by Matt Swartz and Eric Seidman

A look at the data used in creating SIERA, Baseball Prospectus' new pitching metric.

February 9, 2010

Introducing SIERA: Part 2

by Matt Swartz and Eric Seidman

A look at the methodology behind Baseball Prospectus' new pitching metric.

February 8, 2010

Introducing SIERA: Part 1

by Matt Swartz and Eric Seidman

Unveiling a new statistic that provides a clearer picture of pitcher performance.

February 1, 2010

Checking the Numbers: Drilling Down on Volatility and Consistency

by Eric Seidman

Precision produces a sharper answer as far as what to expect from the Garlands and the Pineiros.

January 27, 2010

Checking the Numbers: Preceding the Value of Volatility

by Eric Seidman

How different are the performances of volatile and consistent pitchers?