Warren was raised in Mechanicsville, Virginia, and attended Atlee High School, where he played baseball, basketball, and was the starting quarterback on the football team.[1] He threw for 876 yards and nine touchdowns and also rushed for 554 yards and seven touchdowns during his junior season.[2] As a senior, Warren passed for 1,149 yards and 14 touchdowns while also rushing for 677 yards and 10 touchdowns.[3] Warren initially committed to play college football at Virginia Tech over offers from Virginia and Syracuse, but later decommitted and reopened his recruitment.[4] He later signed to play at Penn State.[5]
College career
Warren played in two games during his true freshman season with Penn State while maintaining a redshirt on the year.[6] He played both tight end and fullback as a redshirt freshman and had five receptions for 61 yards and one touchdown and also rushed six times for six yards and two touchdowns.[7] Warren caught 10 passes for 123 yards and three touchdown during his redshirt sophomore season.[8] He tied a college football record for tight ends with 17 receptions against USC.[9] At the conclusion of the season he won the John Mackey Award as the nation's top tight end.[10]