For baseball fans, 2007 was about record breaking homers, and about steroid investigations. It was about another Red Sox series, and another what-could-have-been for Cubs fans. But for all the ups and downs last year, the fans will undoubtedly be back in 2008. There will be pennant-fever, new records set, and probably more drama, too. The next in our series on the next big thing: Sports. Alan Schwarz, our baseball buddy, joins us to kick off the new year with a look at what's in store for major league baseball in 2008. What, or WHO, do you think is the next big thing in baseball?