The University of Iowa released this statement:
“We can confirm Jack Koerner – a junior defensive back on the University of Iowa football team and member of the 2020 Leadership Group – was injured in a watercraft accident at Lake of the Ozarks on Friday, June 12 at approximately 6:30 p.m. Koerner was transported to a local hospital with non-life-threatening injuries. Jack had completed the first week of voluntary workouts with his Hawkeye teammates and was at the Lake of the Ozarks with his father, Gary, for a father-son weekend along with other West Des Moines families.