Astros closer Josh Hader has landed on the IL with a left shoulder strain after he experienced discomfort during a workout that left him unavailable to pitch in Houston's 7-6 win

The Astros closer Josh Hader underwent tests on his throwing shoulder Monday, making him unavailable for Houston's series opener against the Red Sox.

In a major potential shakeup for fantasy bullpens, Eric Samulski advises fantasy managers to proactively target a pair of Astros relievers in the wake of Josh Hader's reported shoulder discomfort.

After the Houston Astros welcomed back Cristian Javier to their starting rotation on Monday following a 15-month absence due to Tommy John surgery, All-Star closer Josh Hader took his place on the 15-day injured list with left shoulder discomfort.