Enjoy being at the top while it lasts, O's and Marlins fans, because teams like these always come back to earth, Tracy Ringolsby says. 

It doesn't take a genius to tell you that Jonathan Broxton and Heath Bell are two set-up men worth owning, due not only to their skills, but also opportunity, with Takashi Saito and Trevor Hoffman being up there in age. 

A trio of young starters helped the Arizona Diamondbacks open the season strong. 

The Houston Astros got six runs in a hurry, just in time before Arizona's young Max Scherzer made a perfect major league pitching debut. 

The Houston Astros got six runs in a hurry, just in time before Arizona's young Max Scherzer made a perfect major league pitching debut. 

Key 

Fantasy baseball waivers, and the acquisition of fantasy baseball free agents can make or break a season. 

MEDICAL WATCH: RHP Micah Owings (sprained right ankle) was injured April 26. 

--RHP Brandon Webb is 6-0 for the third time in four seasons after beating San Diego, 2-1, on Sunday. 

The Diamondbacks have gotten headlines for their hot hitting during their 19-7 start, but they also have benefited from strong pitching while running up the best record in the major leagues. 

The Arizona Diamondbacks' success at home is a big reason why they have the best record in the majors. 

Dan Haren's flu is gone and he's back at full strength. 

The Arizona Diamondbacks are atop the NL West as April comes to a close, thanks to great success against their division rivals. 

Brandon Webb got a little boost for his matchup with fellow ace Jake Peavy - the return of regular catcher Chris Snyder. 

The Arizona Diamondbacks optioned right-hander Yusmeiro Petit to Triple-A Tucson on Sunday, one day after he allowed the game-winning home run in the Diamondbacks' 8-7, 13-inning loss to San Diego.