Derrick Harvey looks like he is gaining confidence in what is happening on the field. He may not get the sacks, but he is still owning his territory. In this sequence, the Texans are in the Red Zone. Let's see what play they call and how well Derrick reacts. 

From Jags Texans

Derrick is on the line but Andre Johnson begins to plant and step back. A screen is setting up.

From Jags Texans

Yep, Derrick senses it.

From Jags Texans

He reacts, now is he in time?

From Jags Texans

From Jags Texans

Notice how Derek Cox forces the action to the inside?

From Jags Texans

Gain of two. Nice job Derrick.