The value of the policy is not known.
College athletes can take out loans from the NCAA's Exceptional Student-Athlete Disability Program to help finance policies providing protection against future earnings lost to injury or illness.
The athletes must repay the policies upon signing professional contracts.
South Carolina product Jadeveon Clowney, the No. 1 pick in the 2014 draft, took out a $5 million policy before his final college season (2013).
Mariota passed for 3,665 yards and 31 touchdowns while leading Oregon to an 11-2 record last season.
The 6-foot-4, 215-pound signal caller enters his junior year having already matched the program record for most total touchdowns.
Gallery: SI.com's 2015 Mock Draft
Oregon QB Marcus Mariota said he took out an insurance policy, but wouldn’t reveal how much it was for. — Kyle Bonagura (@BonaguraESPN) July 23, 2014
- Chris Johnson