Contreras (3-3) took the loss Wednesday, allowing four runs on six hits and four walks over six innings against the Red Sox. He struck out three.

Contreras allowed two run-scoring doubles, the first from second baseman Christian Arroyo for two runs in the second inning and the second from outfielder Alex Verdugo for another tally in the fifth. This was the first major league appearance since July 7 for Contreras, who had a case of the home-run bug with seven long balls given up in his last six outings prior to being sent down to Triple-A. Furthermore, the 22-year-old has allowed significant traffic on the bases with 14 walks and a 1.69 WHIP over 26.2 innings during the previously mentioned six-game span, and he had trouble again Wednesday during his first start back in the majors.