The Los Angeles Dodgers are in the midst of a season-worst three-game losing streak. After dropping the final two games of their series against the Miami Marlins, the Dodgers lost Friday's series opener against the St. Louis Cardinals, 7-2. The Dodgers offense is nowhere to be found , as they've scored just five runs over their last three games. They'll hope for a breakout on Saturday in St. Louis. Dodgers vs Cardinals Pitching Matchup on Saturday Right-handed pitcher Roki Sasaki is taking the mound for the Dodgers coming off a disappointing first month of the season. Sasaki made five starts, going 1-2 with a 6.35 ERA and striking out 22 while walking 13 over 22.2 innings of work. Sasaki only completed five innings twice , taxing the bullpen in all of his outings. His most recent outing showed some promise, though, as Sasaki completely changed the way he threw his signature splitter. Manager Dave Roberts was hopeful that it would lead to some better results moving forward.…