[dropcap]O[/dropcap]ver the course of 31 years in athletic training, Mark Winter has witnessed sports evolve with advances in technology and the medical field.

Even as those advances have brought to light the severity of head injuries, such as concussions, Winter believes increased awareness, along with improved equipment and tackling techniques, have helped football become relatively safe.

Much of that belief stems from the evolution of protocols surrounding concussions and head injuries.

When ...