Ankron accepted a football scholarship to play for Texas Christian University under head coachJim Wacker. He was recruited as an athlete, so he was initially used in different positions. In 1984, he set an NCAA record with a 99-yard touchdown pass against Rice University. He also had 14 tackles and one intereception while playing on defense. In 1985, he started the first 4 games at quarterback, but was lost for the year after tearing ligaments in his left ankle during the 0-41 loss against the University of Arkansas. In 1986, he was redshirted after suffering a muscle pull in the second game against Kansas State University. In 1987, he suffered a season-ending injury in the first game against Boston College. In 1988, he played quarterback, wide receiver, running back and special teams. Against Bowling Green State University, he started the game by registering 106 rushing yards as a running back and switched to quarterback in the second half, completing 4 of 7 passes for 50 yards, while leading his team to 3 touchdowns. He posted 112 rushing yards rushing against Baylor University. He finished the season with 639 rushing yards, 377 passing yards, 6 rushing touchdowns and one passing touchdown.
Professional career
Ankrom was selected by the Dallas Cowboys in the 12th round of the 1989 NFL Draft, with the intention of using him as a wide receiver and kickoff returner. On August 26, he injured his left knee while playing an exhibition game against the Denver Broncos, which became an injury that eventually would end his career. He made the team as a rookie, spending his time between the active roster and the practice squad. He was also named the emergency third-string quarterback after Troy Aikman missed games with a broken index finger. He finished third on the team in special teams tackles, despite missing 6 games after undergoing arthroscopic surgery. In 1990 he was moved to safety, but suffered a season ending left knee injury in preseason and was placed on the injured reserve list on August 26. He retired after not being be able to recover from the injury.
Personal life
Ankrom owns a pest control business in San Antonio. He and his wife Joy Dee have two children.