Washington Nationals manager Davey Johnson walks back to the dougout after pulling starting pitcher Ross Detwiler in the fourth inning of a baseball game against the Colorado Rockies at Nationals Park, Sunday, June 23, 2013, in Washington. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

Washington Nationals manager Davey Johnson walks back to the dougout after pulling starting pitcher Ross Detwiler in the fourth inning of a baseball game against the Colorado Rockies at Nationals Park, Sunday, June 23, 2013, in Washington. (AP Photo/Carolyn Kaster)