Ty Detmer was born in San Marcos and graduated from San Antonio Southwest High School, where he was named an All-American and was the Texas High School Player of the Year in 1986.
Detmer moved on to Brigham Young, where he became one of the greatest passers in college football history in famed head coach LaVell Edwards’ wide-open offense. In 1989, his first year as a full-time starter, Detmer led BYU to the WAC championship, throwing for 4,560 yards and 32 touchdowns in the regular season. The following year, he threw for 5,188 yards and 41 touchdowns in 12 regular season games, including a 406-yard, three-touchdown performance to defeat the reigning national champion Miami Hurricanes. He finished the year with 42 NCAA records and tied for five others. For his performance, he was named a consensus All-American and won the 1990 Heisman Trophy, the Maxwell Trophy and the Davey O’Brien Award.