» The initial force of a blindside block can’t be delivered by a helmet, forearm or shoulder to an opponent’s head or neck.  An illegal blindside block will bring a 15-yard penalty.

» Initial contact to the head of a defenseless receiver also will draw a 15-yard penalty. “Our clear movement is to getting out of the striking in the head area,” Pereira said. “We’re reading about injuries that say spinal and vertebrae. We’ve got to try something.”

» On kickoffs, no blocking wedge of more than two players will be allowed. A 15-yard penalty will go to a violating team.

» Also on kickoffs, the kicking team can’t have more than five players bunched together pursuing an onside kick. Breaking this rule would draw a 5-yard penalty. (more…)