Manaea, who had a 3.83 ERA following his July 27 start, struggled in three August starts, allowing a combined 13 earned runs in 6 2/3 innings. Manaea recorded one out in his latest start against the Orioles on Saturday, yielding six runs on six hits.
After going 0-2 with a 10.50 ERA in his first three starts after missing eight weeks with neck discomfort, Keuchel held the Rangers to one run on six hits in 6 2/3 innings Sunday. It was his first win since beating Texas on June 2.