An oft-injured Padres relief pitcher was placed on the 15-day injured list immediately before the Padres took on the Los Angeles Dodgers in a critical National League West series.For the second time in two years since the Padres acquired him from the Tampa Bay Rays, Jason Adam is headed to the injured list. This time, he's dealing with a right shoulder strain.The IL placement comes three days after Adam's last appearance against the Chicago Cubs, which resulted in the 34-year-old allowing a run in the ninth inning of a 2-2 game at Wrigley Field.Right-hander Germán Marquez was activated from the injured list in a corresponding roster move.The Padres and Dodgers begin a four-game series at Dodger Stadium later Thursday.This story will be updated (refresh the page for the fully updated article)...Sign up for our free newsletter and follow us on Facebook and X/Twitter for the latest news.Add us as a preferred source on GoogleFollow