A college football game was brought to a standstill for nearly an hour after Southern Nazarene University safety Tyler Ulrich suffered a traumatic on-field injury. Five days later, the 21-year-old was dead. But what happened to him???

A college football game was brought to a standstill for nearly an hour after Southern Nazarene University safety Tyler Ulrich suffered a traumatic on-field injury. Five days later, the 21-year-old was dead. But what happened to him???