At 23 years, 181 days old, Harper edged Albert Pujols by four days on a list that also includes the likes of Alex Rodriguez, Miguel Cabrera and Johnny Bench.
Harper joined Ryan Zimmerman (200) and Ian Desmond (110) as the only Nationals hitters to reach with the team since it moved to Washington, and the team celebrated his achievement with a spirited celebration.
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This was Harper’s third home run in his last 11 at-bats against Braves pitcher Julio Teheran. The milestone shot made him 12 for 27 with five home runs against Teheran in his career.
The grand slam was the first of his big-league career.
