Astros' Alvarez exits game with oblique strain, uncertain return

Yordan Alvarez exited Thursday's game with right oblique discomfort
He left the game after one at-bat, during which nothing appeared outwardly wrong
Losing Alvarez for any length of time would cripple an already top-heavy Astros offense
If Alvarez is out of the lineup, Julks and Chas McCormick should get most of the time in left field
The team could try Yainer Diaz in left, too, especially in smaller ballparks