Miller played four years of varsity football for Richmond Senior High while also competing in basketball, swimming, and track and field.

[2] In December 2017, Miller committed to play college football at James Madison over offers from Gardner-Webb, Wofford, Navy, and several other Division I schools.

[2] Due to Ivy League eligibility rules, Miller was forced to transfer if he wished to continue playing.

[1] After realizing the mistake South Carolina appealed to the NCAA and Miller stopped playing in 2022 hoping he would be granted an extra year of eligibility in 2023.

[5] Eventually, after spring practice had ended and the deadline to declare for the NFL draft had passed, the NCAA ruled Miller to be ineligible to play in 2023.

[17] Miller was placed in the foster care system at the age of 2 after his mother left him with a neighbor and did not return.