Cashner will look to snap a three-game losing streak when Baltimore wraps up its three-game series against the Mariners. Cashner is 1-2 with a 3.86 ERA in five career outings at Safeco Field.
Leake has been Seattle’s most consistent starter, but he's coming off back-to-back road losses when he allowed 18 hits and 11 runs in 10 1/3 innings at Arizona and Oakland. He held the Orioles to two runs and five hits in seven innings in June.