Franzen has not played since Oct. 10, 2015, because multiple concussions - perhaps 10 of them, he said - have affected his vision, given him headaches and made him so tired he has slept for two or three straight days.
NHL's new concussion spotters have had spotty results so far →
"He hit me from behind and they missed it somehow," Franzen said. "He (the referee) could have picked charging, boarding, whatever pretty much."
Coyotes look to `home' ice against rolling Detroit →