Barack Obama will throw out the ceremonial first ball at the Nationals' opener, marking the 100th anniversary of a presidential pitch to start the season.
William Howard Taft first did it on April 14, 1910.
This will be the 48th time a president has made an opening-day pitch in the nation's capital.
The Nationals will open the season on April 5th against the Phillies.
Obama To Throw Out First Pitch For Nats