Washington Nationals manager Davey Johnson, left, jokes around with Houston Astros manager Bo Porter before the start of an exhibition spring training baseball game on Thursday, March 14, 2013, in Viera, Fla. (AP Photo/Evan Vucci)

Photo by: Evan Vucci

Washington Nationals manager Davey Johnson, left, jokes around with Houston Astros manager Bo Porter before the start of an exhibition spring training baseball game on Thursday, March 14, 2013, in Viera, Fla. (AP Photo/Evan Vucci)