The Washington Nationals have made another change to their bullpen. Per an announcement by the team, the Nationals revealed they outrighted left-handed pitcher Cionel Perez to Triple-A Rochester after he cleared waivers. The corresponding move was to recall right-hander Orlando Ribalta to their big league roster. Washington has been searching for answers in their relief staff since the start of the season. Following a strong performance during spring training, that unit has reverted back to struggling like they did last year when they finished with the worst ERA in the majors. However, it seemed like things might be starting to turn around following their strong showing against the New York Mets where they allowed just one run across three games. Cionel Perez Gets a Reset Washington Nationals pitcher Cionel Perez | Patrick Gorski-Imagn Images Still, there have been clear weak spots in the bullpen, and unfortunately, one of them has been Perez.…