Archer exited two batters into his last game vs. the White Sox with tightness in the back of his right arm. He received a clean diagnosis and will aim for his third career win again the Red Sox. He’s 2-11 with a 5.06 ERA in his career vs. Boston.

The lefty had his first mishap in weeks last time out, giving up eight hits and four runs over 5 1/3 innings to the Yankees in his first loss since June 11. Pomeranz is 7-2 with a 3.26 ERA in 13 starts at Fenway Park this season.