Washington Nationals relief pitcher Blake Treinen comes off the field during the seventh inning of a baseball game against the St. Louis Cardinals at Nationals Park on Thursday, April 17, 2014, in Washington. The Cardinals won 8-0. (AP Photo/Alex Brandon)
St. Louis Cardinals starting pitcher Adam Wainwright wraps his arm to keep warm in the dugout during the fourth inning of a baseball game against the Washington Nationals at Nationals Park Thursday, April 17, 2014, in Washington. (AP Photo/Alex Brandon)
Washington Nationals left fielder Bryce Harper warms his hands on a heater during the fifth inning of a baseball game against the St. Louis Cardinals at Nationals Park on Thursday, April 17, 2014, in Washington. (AP Photo/Alex Brandon)
St. Louis Cardinals starting pitcher Adam Wainwright is greeted by manager Mike Matheny after a baseball game against the Washington Nationals at Nationals Park on Thursday, April 17, 2014, in Washington. Wainwright pitched a two-hitter as St. Louis won 8-0. . (AP Photo/Alex Brandon)
Washington Nationals pitching coach Steve McCatty, left, talks with starting pitcher Taylor Jordan in the dugout during the first inning of a baseball game at Nationals Park, Thursday, April 17, 2014, in Washington. (AP Photo/Alex Brandon)
Washington Nationals starting pitcher Taylor Jordan fields a ball hit by St. Louis Cardinals Kolten Wong, who was safe at first, during the first inning of a baseball game at Nationals Park Thursday, April 17, 2014, in Washington. (AP Photo/Alex Brandon)
St. Louis Cardinals starting pitcher Adam Wainwright throws during the first inning of a baseball game against the Washington Nationals at Nationals Park on Thursday, April 17, 2014, in Washington. (AP Photo/Alex Brandon)