John Brattain can also be read at Sympatico/MSN Sports where more likely than not, he'll be complaining about the Toronto Blue Jays. John's work has also been featured at HardballTimes.com, About.com, MLBtalk, ESPN Insider, Yankees.com, Replacement Level Yankee Weblog, TOTK.com, Bootleg Sports, Baseball Prospectus, The Baseball Analysts and The Baseball Journals. You can hear him every Wednesday at 4:40 PM EST on ESPN 1450's The Mike Gill Show. He also is a frequent guest on The Jed Donahue Show on WTKT-AM 1460.

Craig Burley is a full-time attorney and spare-time baseball researcher, blogger and writer who has been a staff writer for Baseball Think Factory, the Hardball Times, and Batter's Box Interactive Magazine. He was a longtime Expos fan and is currently writing a book comparing the cultures of baseball and cricket.

Jonah Keri is a writer for ESPN.com and a contributor to multiple other publications, including Investor's Business Daily, the New York Times, the New York Sun, YESNetwork.com and Salon.com. He's also the editor and co-author of "Baseball Between the Numbers: Why Everything You Know About the Game Is Wrong". You can reach him at jonahkeri@gmail.com.

Neate Sager is a copy editor and sports columnist for the Ottawa Sun. He can also be read at Out of Left Field, which is underdoing some tweaking but obsesses mostly over the Blue Jays, Toronto Raptors, football and Canadian university sports. Neate's work was selected as Notable Sports Writing of 2004 in The Best American Sports Writing 2005, making the Simcoe (Ont.) Reformer the smallest Canadian daily newspaper ever to be acknowledged in the annual collection. He has also written for Deadspin, Quill & Quire and sportsnet.ca and makes occasional appearances on Offsides, Kingston, Ont., campus radio CFRC 101.9 FM's 4-5 p.m. Friday afternoon sports roundtable (www.cfrc.ca). He divides his time between Ottawa, Toronto and Kingston.

Tom M. Tango (aka Tangotiger), co-author of The Book—Playing The Percentages In Baseball, runs the Tango on Baseball website, where one will find a large number of research pieces devoted to sabermetrics. His inspirations have been Pete Palmer and Bill James, and is thankful for the generosity of Retrosheet and Baseball1 in providing data to the public. He has worked as a consultant for major league teams in hockey and baseball. Born and raised in Canada, he now resides in New Jersey with his family.