Pointing a finger at the injured list always feels like a cop out from a ballclub, but in the Houston Astros' case, it feels more than warranted. At this point, it has already become increasingly difficult to keep up with the plethora of key guys that have fallen victim to the injured list. But it is important to note that some are inching close to returning, which will be crucial to the team's ability to dig itself out of the hole that injuries have created. Granted, the offense is primarily keeping the team afloat, but the loss of Jeremy Pena has been less than ideal; the Astros are weathering that storm. Ideally, a pitcher (or seven) returning would be the best case for this ballclub, but only time will give those answers. Starting Pitcher Tatsuya Imai Astros starting pitcher Tatsuya Imai (45) departs the mound during a first-inning pitching change against the Seattle Mariners at T-Mobile Park.…