Belton played in eight games with four starts during his freshman season.[3] As a sophomore, he had 33 tackles with 1.5 tackles for loss, one sack, five passes broken up, and one forced fumble.[4] Belton was named first-team All-Big Ten Conference as a junior after recording 46 tackles with three tackles for loss and breaking up seven passes with five interceptions.[5] After the end of the season, he declared that he would be entering the 2022 NFL draft.[6]
Belton was drafted by the New York Giants with the 114th pick in the fourth round of the 2022 NFL Draft.[10] On August 1, 2022, Belton broke his collarbone during training camp.[11] In Week 10 against the Houston Texans, Belton recorded his first career interception on quarterback Davis Mills in the 24–16 win.[12]
2023 season
In a Week 17 matchup against the Los Angeles Rams in 2023, Belton recorded 2 interceptions and 2 passes defensed against quarterback Matthew Stafford. He also recorded a fumble recovery.[13] In a Week 18 matchup against the Philadelphia Eagles in 2023, Belton sacked quarterback Jalen Hurts in the 27–10 win.[14]