Sidney Crosby and Marc Savard 's concussion issues are shining a strong light on player safety in the NHL .
It seems like the lower levels of the sport will serve as the laboratories for experiments of significant change first .
Sidney Crosby and Marc Savard 's concussion issues are shining a strong light on player safety in the NHL , but it seems like the lower levels of the sport will serve as the laboratories for experiments of significant change first .