The Tigers went down quickly in the top of the fourth inning.
Justin Upton (first base, softly) and Mikie Mahtook (shortstop) grounded out, before Andrew Romine struck out swinging to end the half inning.
Going to the bottom of the fourth, the Tigers are still up, 2-1.
Astros get on board in 3rd
The Astros got a run back in the bottom of the third inning.
After Alex Avila was called for catcher's interference, allowing George Springer to go to first base, Marwin Gonzalez struck out looking. Jose Altuve then doubled Springer to third, before Evan Gattis hit a sacrifice fly, scoring Springer.