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.

During an appearance on Refuse to Lose, a Seattle Mariners podcast with Brady Farkas, ESPN MLB insider Buster Olney revealed a worrying update on Hader amid his injury, which could keep the All-Star closer out for a while.