
Mark DeRosa, shown making contact in a spring game, saw his career take off in Chicago, where he batted. 285 with 21 home runs and 87 RBI for the Cubs in 2008. He came to Washington from San Francisco after two injury-plagued seasons.

Nationals utility man Mark Derosa played in only 47 games last season due to a wrist injury, hitting .279 with no home runs and 12 RBI. (AP Photo/Patrick Semansky)

Mark DeRosa, shown making contact in a spring game, saw his career take off in Chicago, where he batted. 285 with 21 home runs and 87 RBI for the Cubs in 2008. He came to Washington from San Francisco after two injury-plagued seasons. (Associated Press)

Nationals second baseman Danny Espinosa batted just .223 left-handed last year, well below his .283 average from the right side. Spotting a loop in Espinosa's swing, utility man Mark DeRosa suggested a drill that has helped the switch-hitter find a comfortable path for his bat. (Associated Press)

Washington Nationals right fielder Bryce Harper (34) and Washington Nationals infielder Mark DeRosa (7) wait their turn for batting practice next to hitting coach Rick Eckstein (4) during spring training, Viera, Fla., Tuesday, February 28, 2012. (Andrew Harnik/The Washington Times)