University of Maryland offensive lineman Jordan McNair reportedly showed signs of extreme exhaustion prior to his hospitalization in May and death in June.
According to ESPN.com's Heather Dinich, sources said McNair appeared to have difficulty standing while running 110-yard sprints before collapsing during an outdoor football workout on May 29.
McNair also reportedly had a body temperature of 106 degrees before dying of heatstroke two weeks after he was hospitalized, per Dinich.
This article will be updated to provide more information on this story as it becomes available.