Nationals' offense still searching for spark

Harper's RBI single 0:19 4/24/15: Bryce Harper singles home Denard Span in the top of the 6th to tie the game at 2 MIAMI -- The Nationals continue to have problems scoring runs and it reared its ugly head during their 3-2 loss to the Marlins on Friday night.

For starters, the Nationals were 1-for-7 with runners in scoring position. Their best chance to go ahead late in the game came in the seventh and eighth innings.

With the score tied at 2, the Nationals had runners on first and second with one out and right-hander A.J. Ramos on the mound. Dan Uggla came to the plate for Washington and struck out. Reed Johnson entered the game as a pinch-hitter for Jordan Zimmermann and he grounded out to…