This week in “Press Row,” Jordan Breen and MMAJunkie and USA Today's Mike Bohn discuss the injuries to Gunnar Nelson and James Krause, the 32nd and 33rd main or co-main event changes for the UFC in 2016, why injuries are not the only factor in modern UFC main event shake-ups, how Michael Bisping became the benefactor of headliner changes and how main event switches have helped cripple Demetrious Johnson.