David Martinez is an American professional baseball coach and former outfielder who is the manager for the Washington Nationals of Major League Baseball (MLB). He previously served as the bench coach for the Tampa Bay Rays and Chicago Cubs. He played in MLB for the Cubs, Montreal Expos, Cincinnati Reds, San Francisco Giants, Chicago White Sox, Tampa Bay Devil Rays, Texas Rangers, Toronto Blue Jays, and Atlanta Braves from 1986 to 2001. Martinez had a .276 career batting average, 1,599 hits, 91 home runs, 795 runs scored, and 580 runs batted in.

The Washington Nationals are an American professional baseball team based in Washington, D.C. The Nationals compete in Major League Baseball (MLB) as a member of the National League (NL) East Division. From 2005 to 2007, the team played in RFK Stadium while a new stadium was being built. In 2008, they moved to Nationals Park, located on South Capitol Street in the Navy Yard neighborhood of the Southeast quadrant of D.C., near the Anacostia River.