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Jay Jaffe uses the JAWS metric -- he invented it, as an average of career WARP and peak (best seven seasons) WARP -- to evaluate the eight players on the 2010 expansion-era HOF ballot. Only Davey Concepcion, Ted Simmons and Tommy John come close.

Story | Conversation | November 09, 2010

Baseball Prospectus takes a look at its preseason playoff predictions and recalculates them with the Padres, Rangers and Reds being the biggest surprises. BP explains how they've done it.

Story | Conversation | July 14, 2010

Baseball Prospectus analyzes the best and worst performances of the 2009 MLB season through its sabermetric lens.

Story | Conversation | October 02, 2009

Several teams are all but eliminated, but they aren't the biggest disappointments

Story | Conversation | July 15, 2009

With the Big Unit's 300th win in the books, we look at the numbers -- was he the last one who will reach that pitching milestone? Baseball Prospectus has the formulas and the final word.

Story | Conversation | June 05, 2009

In small stretches, schedule strength could make a big difference.

Story | Conversation | April 15, 2009

Our projections for this year's National League standings aren't likely to receive much brotherly love from Philadelphia, the home of the defending World Series champions.

Story | Conversation | April 02, 2009

With spring training rapidly approaching, we can use our fresh PECOTA projections to estimate the marginal gains several teams would make if they signed Manny Ramirez.

Story | Conversation | January 30, 2009