Bryce Harper

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Washington Nationals left fielder Bryce Harper (34), hits a solo home run in the first inning 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)

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Washington Nationals left fielder Bryce Harper (34), hits a solo home run in the first inning 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)

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Washington Nationals left fielder Bryce Harper (34), hits a solo home run in the first inning 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)

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Washington Nationals left fielder Bryce Harper (34), center, gets high fives from teammates after hitting a solo home run in the first inning 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)

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Washington Nationals left fielder Bryce Harper (34) in the dugout after hitting a solo home run in the first inning 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)

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Washington Nationals left fielder Bryce Harper (34) hits his second home run of the game in the bottom of the 4th inning 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)

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Washington Nationals left fielder Bryce Harper (34) rounds first base as he hits his second home run of the game in the bottom of the 4th inning 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)

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Washington Nationals left fielder Bryce Harper (34) hits his second home run of the game in the bottom of the 4th inning 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)

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Washington Nationals left fielder Bryce Harper (34) hits his second home run of the game in the bottom of the 4th inning 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)

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Washington Nationals left fielder Bryce Harper (34) comes back out of the dugout to wave to fans after hitting his second home run of the game in the bottom of the 4th inning 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)

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Washington Nationals left fielder Bryce Harper (34) is greeted in the dugout after this fourth inning home run the opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper sits in the dugout during batting practice before opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper (34) hits a solo home run in the first inning of the opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper (34) is congratulated by third baseman Ryan Zimmerman (11) after a first inning solo homer during the opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper (34) hold up his National League Rookie of the Year trophy before the opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper (34) walks to the plate in the fourth inning of the opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper (34) hits his second home run of the game in the fourth inning of the opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper (34) watches his second homer of the game sail over right field in the fourth inning of the opening day baseball game against the Miami Marlins in Washington, on Monday, April 1, 2013. (AP Photo/Alex Brandon)

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Washington Nationals left fielder Bryce Harper (34) hits his second home run of the game in the bottom of the 4th inning 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)