University of Minnesota Duluth football player Reed Ryan tragically died on Tuesday ... after collapsing during a workout earlier this month, his family announced.
He was just 22 years old.
According to an obituary written by family members, the 6-foot-3, 241-pound defensive end was training in a weight room on Nov. 21 "doing what he loved" ... when he suddenly went into cardiac arrest.
The family says school officials began life-saving measures ... and after they regained the football player's pulse, he was rushed to the ICU.