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Jay Jaffe of Baseball Prospectus goes to bat for Detroit Tigers manager Jim Leyland, writing that Leyland has quietly had a career that makes him worthy of standing among his peer in Cooperstown.

Story | Conversation | October 13, 2011

The recent votes for the Hall of Fame have seemed to engender a lot of controversy. Whether it's Bert Blyleven finally getting in thanks to the efforts of sabermetricians such as Rich Lederer and Jay Jaffe, angry disagreements over the BBWAA's elect...

Baseball Prospectus updates its projections to show which teams have improved their playoff chances the most since Opening Day.

Story | Conversation | July 13, 2011

Right now, everyone is focusing on the Orioles' poor pitching. However, as Jay Jaffe of Baseball Prospectus explains, that's not their biggest problem.

Story | Conversation | June 16, 2011

Jay Jaffe of Baseball Prospectus explains how a small adjustment transformed Curtis Granderson into one of baseball's best hitters.

Story | Conversation | June 02, 2011

Jay Jaffe examines the Atlanta Braves, whose performance indicates that they're much better than their record.

Story | Conversation | May 18, 2011

Conventional wisdom says you have to be strong up the middle, and Jay Jaffe of Baseball Prospectus puts that theory to the test.

Story | Conversation | April 14, 2011

Jay Jaffe of Baseball Prospectus writes that while the Houston Astros' pitching situation isn't all that bad, their beyond-terrible batting order will lead to a frustrating season for the team.

Story | Conversation | March 17, 2011

Jay Jaffe looks at five NL West hitters who had subpar campaigns in 2010 and could be due for a bounce-back in 2011, including Kung Fu Panda himself, Pablo Sandoval, as well as Matt Kemp and Justin Upton; these are based on early PECOTA projections.

Story | Conversation | February 10, 2011

Jay Jaffe looks at five moves that should have happened in the AL East this winter -- and in some cases, still have the chance to happen, such as Vladimir Guerrero to Toronto (not Baltimore) and Russell Branyan to Tampa.

Story | Conversation | February 03, 2011

Jay Jaffe looks at the Hall of Fame candidacy of Edgar Martinez and explains why the Mariners legend, one of the greatest hitters ever, deserves to get the Cooperstown nod.

Story | Conversation | December 30, 2010

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

The New York Yankees are having a tough time figuring out finesse pitchers, but Boston injuries mean the Bronx Bombers are still on course for October. As a result, they shouldn't rush to get injured players back on the field.

Story | Conversation | August 18, 2010

The Tigers are quite injured: Magglio Ordonez, Carlos Guillen, Brandon Inge et al. Their pitching staff has been rough -- and they're paying $21 million to guys not even on the roster! All told, as Jay Jaffe says, it's time to pack it up and look to 2011.

Story | Conversation | August 04, 2010

As MLB comes out of the All-Star break, 'Dr. BP' (Baseball Prospectus) looks at every division and what the clubs within them need. Here now: the AL East. Everyone needs pitching; in the case of the Rays, though, they might be able to just call it up.

Story | Conversation | July 15, 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