Ten Things to Look for in the Month of May: National League

April baseball is a lot of fun, the new season is still exciting and fans get wrapped up in emerging story-lines. Among these, Florida Marlins sit atop the National League East, beating out the New York Mets and the Philadelphia Phillies; the Chicago Cubs, on the brink of their 100th seasons without a World Series, are looking poised to make a run; and the Colorado Rockies are looking lost despite winning the NL pennant in 2007. Here are ten things to look for in May.