ET on Monday when the trade deadline officially comes, but what is their biggest concern? Well, the glaring hole in the starting rotation after Tatsuya Imai was moved into the bullpen. 2 man in the starting rotation, and if the Astros go after him, they will receive an elite arm, and fully take Detroit out of the running for the postseason. There is no starter on the Astros posting numbers as strong as those. Astros Starting Rotation Begging For Another ArmWhile Houston is rolling right now, they ultimately cannot find success without someone who can come through in the big moments.