Famed college football Quarterback Steve Davis has reportedly died in a plane crash.

The Tulsa World is reporting that Davis was aboard a private jet that crashed in South Bend, Indiana on Sunday. The pilot of the aircraft also died, though two other passengers survived the crash.

The plane left from Tulsa, Oklahoma at 1 pm on Sunday, and is reported to have crashed into a South Bend home at around 3:15 pm. The cause of the accident is currently unknown. The two injured survivors are reported to be friends of Davis’, and are currently recovering at a South Bend hospital. The Tulsa World reported that one of them is in serious condition and the other is in fair condition.

Davis was best known as the quarterback for the Oklahoma Sooners football team from 1972 to 1976, and led the team to a 32-1-1 record during his years as starting quarterback. The Sooners won the national championship in both 1974 and 1975, and Davis was awarded the Most Valuable Player award for the 1976 Orange Bowl. Davis later went on to do college football commentary for CBS Sports during the 80s.