Video shows Antonio Smith hitting Richie Incognito with helmet

Texans defensive end Antonio Smith and Dolphins guard Richie Incognito have an ugly past.  And it got even uglier on Saturday night. Jay Glazer of FOX has obtained video of Smith removing Incognito’s helmet during Saturday night’s preseason game between the two teams.  And then hitting Incognito with it. In the face. The video apparently…