Bill O’Brien: Expect more of J.J. Watt at tight end

J.J. Watt has done just about everything there is to do as a defensive end for the Texans, so he expanded his portfolio against Oakland last weekend. Watt played a couple of snaps at tight end during the 30-14 victory and caught a touchdown pass from quarterback Ryan Fitzpatrick. Watt said Wednesday, via Art Stapleton…