He played college football at Texas Tech and signed with the New Orleans Saints as an undrafted free agent in 2022.

He attended Taylor High School, playing two seasons of varsity football as well as basketball and track.

He was named Big 12 Conference Newcomer of the Week after making an interception return touchdown against Oklahoma State.

In 2019, Fields started nine games at cornerback and played in a total of 10, compiling 54 tackles, a mark which placed fifth on Texas Tech.

[1] As a senior, Fields started six games and made 31 total tackles, as well as one forced fumble, one recovery, and 11 passes broken up.

He elected to return to the team in 2021 as a fifth-year player, as he was given an extra year of eligibility due to the COVID-19 pandemic.

[3][4] He was elevated to the active roster for their week three game against the Carolina Panthers, and made his NFL debut in the match,[5] after which he was reverted back to the practice squad.