Last week Baseball Prospectus published its list of the top 50 prospects on its online newsletter.

Silver authored more than 200 articles for Baseball Prospectus.

After that, Baseball Prospectus took responsibility for future editions.

Baseball Prospectus is an annual publication and web site produced by a group of sabermetricians who originally met over the Internet.

Baseball Prospectus published an open letter responding to Chass' comments.

Until 2007, when the site began to post general advertising, the premium subscriptions and book sales were Baseball Prospectus' main source of revenues.

Writers for Baseball Prospectus often argue that teams are, on average, actually lowering their expected number of runs scored.

EqA has been used for several years by the authors of the Baseball Prospectus.

He began writing for Baseball Prospectus in 1997.

He also co-edited the 2006, 2007 and 2008 editions of the Baseball Prospectus annual.