Pierce is from
Lucas, Texas. He grew up competing in
wrestling and
football, starting the latter in
third grade. He first attended
Allen High School before transferring to
Lovejoy High School in Lucas. He competed in both wrestling and football in high school and compiled a record of 30–1 as a wrestler, winning the 2022 5A state championship while competing in the weight class. He missed much of the 2022 season due to injury. In his
senior year, 2023, he tallied 181 tackles, 40 tackles-for-loss (TFLs), eight sacks and four forced fumbles, being named the 7-5A Division II
MVP and the 2023 All-Area Defensive Player of the Year by the
Allen American. Pierce committed to play
college football for the
Ohio State Buckeyes. ==College career==