Andy Roddick finally knows what's been getting him down the last few months -- a mild case of mononucleosis. Roddick said on Saturday one of several blood tests came back positive for mononucleosis. Doctors told him he's probably had it for the last couple of months and should be nearly over it. "I'm just glad that we found out something that was causing it," said Roddick, who is getting ready for next week's Cincinnati Masters. "It's weird, the fear of kind of the unknown and not knowing what's going on. There were some days where it was good, and some days where it was real bad. So it was like you would have one of those two or three good days, and it was like, 'OK, you're just being kind of a wimp.' "So it's nice to have a little bit of clarity moving forward. It's not something that's going to affect me, anything super-serious." Read more: http://sports.espn.go.com/sports/tennis/news/story?id=5464023
