This is a 2014 photo of Bryce Harper of the Washington Nationals baseball team. This image reflects the Nationals active roster as of, Sunday, Feb. 23, 2014, when this image was taken. (AP Photo/Alex Brandon)
Washington Nationals left fielder Bryce Harper practices bunting during a spring training baseball workout, Sunday, Feb. 23, 2014, in Kissimmiee, Fla. (AP Photo/Alex Brandon)
Washington Nationals left fielder Bryce Harper sits on a bucket during a spring training baseball workout, Thursday, Feb. 20, 2014, in VIera, Fla. (AP Photo/Alex Brandon)
Washington Nationals left fielder Bryce Harper (34) stands with his teammates at the start of a spring training baseball workout, Thursday, Feb. 20, 2014, in VIera, Fla. (AP Photo/Alex Brandon)
Washington Nationals left fielder Bryce Harper, left, smiles with Ryan Zimmerman during a spring training baseball workout, Thursday, Feb. 20, 2014, in VIera, Fla. (AP Photo/Alex Brandon)
Anthony Cosenza, from Staten Island, N.Y., takes a selfie with Washington Nationals left fielder Bryce Harper after a spring training baseball workout, Thursday, Feb. 20, 2014, in VIera, Fla. (AP Photo/Alex Brandon)
Washington Nationals left fielder Bryce Harper, right, rides a golf cart away after a spring training baseball workout, Thursday, Feb. 20, 2014, in VIera, Fla. (AP Photo/Alex Brandon)
FILE - This Sept. 22, 2013 file photo shows Washington Nationals left fielder Bryce Harper watching his team play as he waits for his turn at bat against the Miami Marlins in the ninth inning of their baseball game at Nationals Park in Washington. The young slugger who battled a bum knee through much of 2013 is hoping for better things this year. (AP Photo/Susan Walsh, File)
FILE - This Sept. 22, 2013 file photo shows Washington Nationals left fielder Bryce Harper watching his team play as he waits for his turn at bat against the Miami Marlins in the ninth inning of their baseball game at Nationals Park in Washington. The young slugger who battled a bum knee through much of 2013 is hoping for better things this year. (AP Photo/Susan Walsh, File)