The Miami Marlins hope to get back to the business of winning ball games after the pomp and circumstance of Robby Snelling's Major League debut. The Marlins (17-22) lost to the Washington Nationals (19-20) on Friday, in a game that was marked by the debut of the Marlins No. 2 overall prospect. Snelling, a left-handed pitcher, posted a nice showing in his debut even though he had a rough first inning. But the Marlins were unable to overcome that damage and ended up taking the loss to their divisional rival. Both the Marlins and the Nationals are well back of the front-running Atlanta Braves in the National League East. The Nationals are seven games back and the Marlins are nine games back. But with Memorial Day approaching both teams must keep their eye on the National League wild card race. Washington enters Saturday's action 2.5 games back to the final berth while Miami is 4.5 games back. This is not the time of the season that either team wants to play its way out of a race that is still developing.…