The Astros will go with a match-up based approach to their bullpen roles for now. Hader will undergo more testing on the sore shoulder.

Astros Get Concerning Josh Hader News After Red Sox Game originally appeared on Athlon Sports. The Houston Astros defeated the Boston Red Sox on Monday, 7-6, to stay on top of the American League West with the Seattle Mariners right on their tails.

The team's closer, Josh Hader, whom many would likely say is one of, if not the best in the sport, was placed on the 15-day IL with a left shoulder strain, which is his throwing shoulder, leaving manager Joe Espada and the rest of the Houston bullpen to come up with a game plan for the next few games.