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or browse research articles in the Baseball Prospectus Library

July 8, 2010

Seidnotes: The K/BB Ratio

by Eric Seidman

Cliff Lee's number of strikeouts opposed to walks is at record-setting proportions this season.

July 7, 2010

Checking the Numbers: Weaver's Soaring Strikeout Rate

by Eric Seidman

It appears Jered Weaver's mastery of a relatively new pitch has allowed him to punch out hitters like never before.

July 1, 2010

Contractual Matters: Optional Waivers

by Jeff Euston and Eric Seidman

Explaining a seldom-used and confusing procedure that enables a club to quickly clear a roster spot.

June 30, 2010

Checking the Numbers: A No-No

by Eric Seidman

Diamondbacks manager A.J. Hinch made the wrong decision in allowing Edwin Jackson to throw 149 pitches during his no-hitter last week.

June 23, 2010

Checking the Numbers: NolasCOMPS

by Eric Seidman

Ricky Nolasco is having a second straight confouding season with an ERA that doesn't come close to matching his peripherals.

June 22, 2010

Checking the Numbers: No Longer the Maine Man

by Eric Seidman

The Mets really have two choices with John Maine: designate him for assignment or see if he can help in the bullpen.

June 18, 2010

Seidnotes: Wait, WHO has 18 Home Runs?

by Eric Seidman

Jose Bautista's outlier of a home run total is virtually unrivaled in baseball history.

June 16, 2010

Checking the Numbers: Where in the World is McLouth's TAv?

by Eric Seidman

Braves center fielder Nate McLouth is suffering through a historically rare offensive collapse.

June 11, 2010

Seidnotes: The .300/.500 Club

by Eric Seidman

Here are some of the select few players who have amassed a very high slugging percentage while compiling a very low on-base percentage.

June 9, 2010

Checking the Numbers: The Baby-faced Assassin

by Eric Seidman

Fresh talent doesn't have to be freshly picked to be able to still offer a ton of upside.

June 4, 2010

Checking the Numbers: A Developmental Dilemma

by Eric Seidman

Who moves out of the Marlins' starting outfield when top prospect Mike Stanton gets the inevitable call to the major leagues?

June 2, 2010

Checking the Numbers: Sneaky SIERA

by Eric Seidman and Matt Swartz

The inventors of the metric explains why the Diamondbacks' SIERA does not jibe with their ERA through the first third of the season.

May 26, 2010

Checking the Numbers: Royal Pains

by Eric Seidman

GM Dayton Moore has done a fine job of stocking the farm system in KC, but hasn't found success in assembling the big-league roster.

May 24, 2010

Checking the Numbers: The Trade-Me Clause

by Eric Seidman

Roy Oswalt wants to be traded, but the Astros aren't under any obligation to deal him.

May 19, 2010

Checking the Numbers: Bad Ollie or Worse Ollie?

by Eric Seidman

The Mets have banished Oliver Perez to the bullpen, but perhaps they should consider completely cutting ties.

May 18, 2010

Contractual Matters: Werth The Funds

by Jeff Euston, Eric Seidman and Matt Swartz

The Phillies must determine if Jayson Werth is worth keeping and how to free up money to do so.

May 13, 2010

Checking the Numbers: Caught Quantifying

by Eric Seidman

A literature review of attempts to statistically assess catchers' defensive prowess.

May 7, 2010

Seidnotes: Livan La Vida Loca

by Eric Seidman

Livan Hernandez has somehow managed a sub-1.00 ERA while having more walks than strikeouts.

May 5, 2010

Checking the Numbers: Catchers on Catching

by Eric Seidman

Talking to catchers can help us understand what might improve defensive metrics for the position.

April 30, 2010

Checking the Numbers: A League Average Article

by Eric Seidman

Being in the middle of the pack isn't such a bad thing.