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or browse research articles in the Baseball Prospectus Library

September 30, 2010

Reintroducing PECOTA: Aches and Pains

by Colin Wyers

Teaching PECOTA about injuries.

September 29, 2010

Reintroducing PECOTA: The Hits Just Keep On Coming

by Ben Lindbergh and Colin Wyers

PECOTA's strange history with Ichiro Suzuki suggests some areas for improvement.

September 28, 2010

Reintroducing PECOTA: Whatever Happened to the Man of Tomorrow?

by Colin Wyers

Examining the accuracy of PECOTA's past, and talking about its future.

September 26, 2010

BP Unfiltered: Retiring the Sauce

by Colin Wyers

Looking at the results of the Secret Sauce.

September 22, 2010

Manufactured Runs: A Walk in the Park

by Colin Wyers

A new way of adjusting for a player's environment.

September 14, 2010

Prospectus Perspective: Missing the WAR

by Colin Wyers

What the rankings don't tell us is just as important as what they do.

September 12, 2010

BP Unfiltered: Why the Padres do not have a bad offense, in sonnet form

by Colin Wyers

Yes, sonnet form. Iambic pentameter. Seriously.

September 8, 2010

Between The Numbers: More charts and tables!

by Colin Wyers

A second look at positional adjustments.

Manufactured Runs: Solving the Mays Problem

by Colin Wyers

What do you do when the peerless have peers?

September 3, 2010

Manufactured Runs: Hero Worship

by Colin Wyers

Talking about talking about the Hall of Fame.

August 28, 2010

Between The Numbers: The 2010 Pitch F/X Summit

by Colin Wyers

A first look at the future of baseball analysis.

August 25, 2010

BP Unfiltered: Wanna be a scout?

by Colin Wyers

It's that time of year again.

Manufactured Runs: Support Group

by Colin Wyers

Do starting pitchers have any control over how much support they get from their teammates?

August 18, 2010

Manufactured Runs: Out of Sequence

by Colin Wyers

Looking at how pitching to the situation can keep runs off the board.

August 11, 2010

Manufactured Runs: Talkin' 'bout the Situation

by Colin Wyers

Assigning a value to a player's situational outs.

August 6, 2010

Manufactured Runs: Weight of the World

by Colin Wyers

A first attempt at looking at offense and defense as a whole.

August 4, 2010

Manufactured Runs: By Land, Sea, and Air

by Colin Wyers

Looking at defense on the mound and in the outfield.

July 28, 2010

Manufactured Runs: Looking Farther Afield

by Colin Wyers

An attempt to construct a defensive metric without bias.

July 23, 2010

Manufactured Runs: King Without a Crown

by Colin Wyers

Will we ever see another Triple Crown?

July 16, 2010

Indefensible: What Do We Really Know About Defense?

by Colin Wyers

The difficulty of creating a new defensive metric when there are numerous disagreements in data.