Washington Nationals starting pitcher Jordan Zimmermann delivers against the San Diego Padres during the first inning of a baseball game on Saturday, July 6, 2013, in Washington. (AP Photo/Nick Wass)
Washington Nationals starting pitcher Jordan Zimmermann delivers against the Minnesota Twins during the first inning of the first baseball game of a day-night interleague doubleheader on Sunday, June 9, 2013, in Washington. (AP Photo/Nick Wass)
Nationals right-hander Jordan Zimmermann consoles reliever Tyler Clippard after the two combined to allow six runs to the Orioles in the seventh inning on Wednesday night and blow a three-run lead. (Associated Press photo)
Dr. Lewis Yocum, renowned orthopedic surgeon who worked with Washington Nationals pitchers Stephen Strasburg and Jordan Zimmermann, among many others, has died at age 66. (Kerlan-Jobe Orthopaedic Clinic)
Jordan Zimmermann lowered his ERA to 1.59 after tossing seven innings and allowing just one run against the Detroit Tigers on Wednesday night. (Associated Press photo)
Jordan Zimmermann dominated again on Wednesday night, shutting out the Braves over eight innings in the Nationals' 2-0 victory. (Associated Press photo)