After the Nationals' 7-1 loss to the Colorado Rockies on Saturday, Dan Haren's 6.15 ERA is the highest among qualified starters in the major leagues. (Associated Press photo)

Photo by: Carolyn Kaster

After the Nationals' 7-1 loss to the Colorado Rockies on Saturday, Dan Haren's 6.15 ERA is the highest among qualified starters in the major leagues. (Associated Press photo)