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Eric Seidman author archives.

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January 20, 2010

Premium Article Checking the Numbers: Valuing Volatility

by Eric Seidman

Picking between Jon Garland and Joel Pineiro seems a matter of picking reliability versus upside, but is it?

January 11, 2010

Premium Article Checking the Numbers: Side Effects on Pitchers' Hitting

by Russell A. Carleton and Eric Seidman

How having to hit or run the bases affects pitching performance in DH-less ballgames.

January 7, 2010

Premium Article Checking the Numbers: Low Risk, Any Reward?

by Eric Seidman

Sorting out the rewards of dumpster-diving to shore up big-league rosters.

December 28, 2009

Premium Article Checking the Numbers: Swinging With PITCHf/x

by Eric Seidman

Turning to what another tool in the kit can tell us about variations in performance between roles for the pitchers who pitched in both roles.

December 18, 2009

Premium Article Checking the Numbers: Swinging Role Reversals

by Eric Seidman

Sorting out the odder types among pitchers asked to start and relieve.

December 11, 2009

Premium Article Checking the Numbers: On the Swing

by Eric Seidman

What's the difference in performance between pitchers who start and relieve, and how many of them are there any more?

December 3, 2009

Premium Article Checking the Numbers: Prettiest at the Prom

by Eric Seidman

With the DeRosa phenomenon, what do you do when the rumor mill runs past hot and all the way to rabid?

December 2, 2009

Premium Article Checking the Numbers: Knocking in Those Ducks

by Eric Seidman

From solo shots to plating players, sorting through what's to be done with runs batted in.

November 24, 2009

Premium Article So You Need: Starting Pitching

by Eric Seidman

A look at the best available starting pitchers and the potential impact they could have on a team.

November 23, 2009

Premium Article Checking the Numbers: Fielding Distrust

by Eric Seidman

Learning to look at defense with more than just your eyes means beating several biases.

November 19, 2009

Premium Article Checking the Numbers: The 2009 Platoon Split Awards

by Eric Seidman

Handing out awards for the best same-handed pitcher/batter and opposite-handed pitcher/batter combos.

November 12, 2009

Premium Article Checking the Numbers: Extending the Discipline Detection

by Eric Seidman

Continuing to look at plate discipline with a discussion of contact rate and swing frequency.

November 6, 2009

Premium Article Checking the Numbers: Detecting Discipline

by Eric Seidman

Taking a look at a hitter's discipline and pitch sensitivities; the numbers on who's more inclined to do so may surprise you.

October 29, 2009

Premium Article Checking the Numbers: Quick Change Artistry

by Eric Seidman

Trying to determine the best way to utilize a fastball/changeup combination in a pitching sequence.

October 27, 2009

Premium Article World Series Prospectus: The Umpires

by Eric Seidman

The Men in Blue have come under attack, but will the specially selected crew for the Series improve matters any?

October 22, 2009

Premium Article Checking the Numbers: Crossing Over

by Eric Seidman

The challenge of changing speeds while integrating perceived velocity into the mix.

October 16, 2009

Premium Article Playoff Prospectus: Yankees versus Angels LCS

by Eric Seidman

The showdown between East and West is echoed in the junior circuit, but is it power versus power?

October 7, 2009

Premium Article Playoff Prospectus: Phillies versus Rockies LDS

by Eric Seidman

A rematch from the '07 postseason makes for a great showdown of two teams with very different virtues.

October 5, 2009

Premium Article Checking the Numbers: Location and Perception

by Eric Seidman

Changing speeds can depends as much upon where you throw as how hard you're throwing.

September 22, 2009

Premium Article Checking the Numbers: Perceived Velocity

by Eric Seidman

Sometimes it's not just a matter of how fast you throw, but from how close to the plate you're throwing it.

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