NFL injury update: Allen Robinson, Ronald Darby, David Johnson suffer injuries

There were a number of notable injuries during the first Sunday of NFL action, including Jags receiver Allen Robinson (knee), Ronald Darby (ankle), J.J. Watt (finger), and David Johnson (wrist).

There were a number of notable injuries during the first Sunday of NFL action, including Jags receiver Allen Robinson (knee), Ronald Darby (ankle), J.J. Watt (finger), and David Johnson (wrist).