Cishek has pitched in 23 games for the Mariners this season, with a 3.15 ERA and 15 strikeouts in 21 innings. The 31-year-old veteran made his 2017 debut in mid-May after recovering from offseason hip surgery.
Ramirez has made eight starts and 18 relief appearances for Tampa Bay this season. The 27-year-old is 4-3 with a 4.80 ERA and 55 strikeouts in 69 1/3 innings.
Both the Rays and Mariners are in the mix for a playoff spot. The Rays are 53-50, three games back of the Red Sox in the American League East and 1 1/2 games out of a Wild Card slot.