St. Louis at Baltimore

St. Louis has a +43 run differential, the fourth-best in the NL. They're on a 16-4 run after sweeping Arizona, 4-3, 6-5, and 4-3. Erick Fedde has a 2.43 ERA on the road, where he's holding the home teams to a .190 average. The offense ranks eighth in runs scored, sixth in on-base percentage, and 11th in slugging percentage. Disappointing Baltimore is 8-15 at home and has a minus-95 run differential, the worst in the AL. The last-place Orioles come home from a seven-game road trip with an offense that is 25th in runs scored, 25th in on-base percentage, 21st in steals, and 18th in slugging. The team is 0-12 in the 12 starts made by 41-year-old Charlie Morton (7.68 ERA). That includes a 24-2 loss to the Reds and a 10-6 defeat to Washington the last time out as a -155 favorite. The relief pitching is the fourth-worst in baseball, with an ERA of 5.46. Play St. Louis.