The Washington Nationals are still trying to solve their pitching conundrum. After things got off to a horrendous start at the beginning of the season, it seemed like everything had settled down a bit. Cade Cavalli spun a couple of gems, Zack Littell and Miles Mikolas had some bounce back performances, the bullpen put together a strong stretch and Foster Griffin continued to perform like one of the best pitchers in Major League Baseball. However, during their two losses against the Miami Marlins on Saturday and Sunday that resulted in a series defeat for the Nationals, the pitching woes were on display once again when relievers Mitchell Parker and Gus Varland were responsible for the late-inning losses. As Washington tries to field the best overall pitching staff possible , it's clear they still need help.…