Why are the Astros swinging on the 1st pitch?

Why are the Astros batters swinging on the first pitch when we all know Glasnow is on a 70 - 80 pitch count? So far on 3 pitches or less Astros batters are 0 - 3. When they are patient and work the count, the Astros are virtually unbeatable. Just Stick with the game plan.

Right but Glasnow is a monster and the longer you keep him in vs the gassed Tampa pen, the more you are hurting your chances.

If you're talking about the first inning, the Astros are trying to bust all those:

Will there be a run scored in the first inning?

Yes: +125

No: -180 <<< These bets 

I had it at - 136. But so far Stros are 0 - 4 swinging on early count.

He was sending a lot of fast balls.  They like fast balls