LOS ANGELES (AP) — Dodgers reliever Brock Stewart is headed to the 15-day injured list with right shoulder discomfort for the third time this season. Los Angeles manager Dave Roberts on Friday called the move "proactive" and downplayed the severity. AdvertisementAdvertisement AdvertisementThe Dodgers selected the contract of left-hander Cole Irvin from Triple-A Oklahoma City, where he was 9-6 with a 3.58 ERA in 20 starts this season. He was expected to pitch as part of a bullpen game against the Boston Red Sox on Friday night. Stewart, a right-hander, has a 2.45 ERA and one save in 14 games this season.