Badgers football: His career cut short by a brain injury, former lineman Trent Denlinger watches his UW teammates play on without him

Denlinger was playing right guard on the Badgers’ field-goal unit. He remembers taking a nasty hit that he never saw coming. Everything after that remains a blur. “The lights kind of flickered for a second,” he said. And, the next thing he knew, Denlinger’s college football career went dark.