There is TV news coverage and more information on CNN
Mourners gathered on the track that rings the Alto High School Yellowjackets’ football field in Texas on Saturday. They held hands and prayed for junior Cam’ron Matthews, who died after a game under the Friday night lights the day before, marking the sixth U.S. high school football death this season. From CNN
Additional reports are on the Jacksonville Progress site as well.
According to Progress sports correspondent Doc Smith, the junior speedster went and did his part on the kickoff return as the seconds ticked down to halftime. Returning to the bench Matthews went into a seizure, along the Alto sideline.