From Oura Rings to ramen bars, Jaylon Smith, 30, is now a millionaire 'unicorn investor'

In football, they're called unicorns — those extraordinary players who have a toolbox of skills that make them not only versatile on the field, but a rare phenomenon to witness. Football unicorns make people stop and stare in wonder, incredulous at the feat they just saw them perform. Jaylon Smith was a football unicorn.

An Indiana native, Smith won four state championships at Fort Wayne's Bishop Luers High School and the title of Indiana Mr. Football. At Notre Dame, he was an elite, generational linebacker, widely considered one of the best in school history.

Smith won the 2015 Butkus Award as the nation's top linebacker and was a 2014 Second Team All-American. As the 2016 NFL Draft approached, Smith was projected, almost universally, to be a top-five pick. That was before his foot got caught up in the turf during the first quarter of the last game of his college career at the Fiesta Bowl in January 2016.

That was before an Ohio State player pushed him after a fumble, causing Smith to land on his left knee, which bent in a way that defied human anatomy. Smith suffered severe injuries, a torn ACL and a torn LCL/MCL. His NFL stock plummeted.