Obama, on hand primarily to schmooze with congressional leaders, took a photo with the Racing Presidents, the Washington Nationals' oversize mascots of
He then took to his Twitter account @POTUS to let the world know he had a challenge for them.
The first congressional baseball game was played in 1909. It is now a benefit for the Washington Literacy Council, the Boys & Girls Club of Greater Washington and the Washington Nationals Dream Foundation.
Obama reportedly spent time with both teams and brought a gift of White House-brewed beer for the winners. The Democrats prevailed, 5-2.