**FILE** Washington Nationals pitching coach Steve McCatty, left, talks with general manager Mike Rizzo, and manager Davey Johnson during batting practice before a baseball game against the Milwaukee Brewers at Nationals Park Monday, July 1, 2013, in Washington. (AP Photo/Alex Brandon)
Washington Nationals manager Davey Johnson is seen in the dugout before the start of the fourth inning in a baseball game against the Arizona Diamondbacks at Nationals Park, Wednesday, June 26, 2013, in Washington. (AP Photo/Pablo Martinez Monsivais)
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)
Bryce Harper took on-field batting practice on Sunday morning, under the watchful eye of Washington Nationals manager Davey Johnson. (Associated Press photo)
**FILE** Baltimore Orioles manager Davey Johnson reflects in the dugout at Camden Yards in Baltimore Aug. 27, 1997 during a game against the Kansas City Royals. (AP Photo/Roberto Borea)
Washington Nationals manager Davey Johnson (5) stands in the dugout during a baseball game against the Philadelphia Phillies at Nationals Park Sunday, May 26, 2013, in Washington. (AP Photo/Alex Brandon)
Washington Nationals manager Davey Johnson watches from the dugout during the first inning of a baseball game against the San Francisco Giants in San Francisco, Tuesday, May 21, 2013. (AP Photo/Jeff Chiu)
The scouting report Hall of Fame baseball executive Branch Rickey filed on Washington Nationals manager Davey Johnson, who was then a minor league infielder for the Baltimore Orioles, in 1964. (Photo via Library of Congress employee Betty Lupinacci)
Washington Nationals manager Davey Johnson (5), center, watches warm ups before the Washington Nationals play the Miami Marlins on opening day at Nationals Park, Washington, D.C., Monday, April 1, 2013. (Andrew Harnik/The Washington Times)
Washington Nationals manager Davey Johnson (5) shakes hands with his team during introductions as the Washington Nationals play the Miami Marlins on opening day at Nationals Park, Washington, D.C., Monday, April 1, 2013. (Andrew Harnik/The Washington Times)