15 April 2018: Singer D.C. Washington prepares to sing the National Anthem prior to a game between the Washington Nationals and the Colorado Rockies at Nationals Park in Washington, DC. All MLB players and umpires wore Number 42 to commemorate the life of Jackie Robinson and to celebrate Black Heritage Day in pro baseball. The Rockies edged out the Nationals 6-5 to take the final game of their 4-game series. Mandatory Credit: Ed Wolfstein Photo *** RAW (NEF) Image File Available ***