[1] He earned All-American (twice) and All-State (twice) honors as a running back in football, while playing a key role in three state championships (1954-1956) and Abilene's legendary national record-setting 49 consecutive victories.
Gregory received All-State honors and was one of the region's brightest pro-baseball prospects as a switch-hitting catcher, while contributing to the school winning two state championships.
Although he didn't practice track because of time conflicts with the other sports, but was involved in the Abilene Recreation Department program, registering a 100-yard dash in 9.8 seconds.
He played as a halfback, punter, defensive back and was voted the team's player of the year.
The next year his career was cut short by a knee injury he suffered in training camp, although he was able to play in 6 games.