Orlando, Fla. ? A Central Florida wide receiver died Tuesday after voluntary strength and conditioning drills, the day before spring practice was set to begin.

Police said there was no foul play or obvious cause for redshirt freshman Ereck Plancher’s late-morning collapse. UCF athletic director Keith Tribble said the players had been lifting weights, then ran for about 10 minutes.

After the workout, the team huddled for a quick chat. As everyone was leaving, Plancher, of Naples, took a knee in obvious distress, Tribble said. UCF trainers on site immediately provided CPR and the redshirt freshman was taken by ambulance to the hospital. He was pronounced dead just before noon.

Tribble said Plancher had passed a physical. The practice was inside an air-conditioned building, but the weather outside wasn’t bad. The National Weather Service said it topped out at about 78 degrees in the area, with about 50 percent humidity.

UCF’s spring practices weren’t scheduled to start until today, but Tribble said 82 players were there for conditioning. He could not say who led the practice, but said there was no concern it was not compliant with NCAA rules.