Mariners reliever Gregory Santos progressing, Jorge Polanco remains out

With two team trainers watching a few yards away, Mariners relief pitcher Gregory Santos ramped up his throwing program in the outfield grass at Camden Yards on Friday afternoon, a small step forward in his start-and-stop rehabilitation from a lat strain. “It's been a long process, but I haven't put my head down,” Santos said through interpreter Freddy Llanos. Santos is not yet throwing at full intensity, and there is no timeline for his return.