Defensive end who was named First-Team All-Big Ten as a sophomore with the Nebraska Cornhuskers in 2013. His 10.5 sacks became the most-ever by a first year player at Nebraska. In 2015, he was a second round selection of the Dallas Cowboys in the NFL Draft.
He attended Hamilton Southeastern High School, where he posted 17 sacks in his junior season.
He was the Nebraska Defensive MVP and the National Sophomore Defensive Player of the Year in 2013.
His parents are Ken and Mary Gregory.
In 2015, he became teammates with star linebacker Sean Lee on the Cowboys.