MASKS REQUIRED AGAIN AT ALL GREENBURGH BUILDINGS

Heslop redshirted during the 2015 season. During his freshman season in 2016, he played in eight games and recorded 13 total tackles. In his college debut on September 1 against No. 19 North Dakota, Heslop blocked a punt in the fourth quarter that was returned for a touchdown, giving Stony Brook the 13–9 victory. Heslop also recorded six tackles in a 42–14 upset of No. 2 Richmond. In his 2017 sophomore season, Heslop started all 13 games at cornerback. He set career highs with 72 tackles, including 8.5 tackles for loss. Heslop recorded his first career sack and forced fumble on October 14 against No. 12 New Hampshire. Heslop recorded a career-high 12 tackles in a 59–29 victory over Lehigh in the first round of the 2017 FCS Playoffs. The following week against James Madison in the second round, Heslop recorded another 10 tackles in a 26–7 loss.

Heslop again started all 12 games at cornerback as a junior in 2018. He was named to the Second Team All-CAA after a season with 59 tackles, 38 of which being solo tackles. On September 22 against Richmond, Heslop recovered a fumble and returned it 87 yards for a touchdown. It was Heslop’s first career touchdown and Stony Brook’s first fumble recovery for a touchdown since 2016.

Prior to his senior season, Heslop was named one of three Stony Brook team captains.[12] Heslop started all 12 games in 2019, ending his Stony Brook career having started 37 consecutive games. He was named to the Third Team All-CAA with 52 tackles, 8.5 tackles for loss, two blocked kicks, three forced fumbles, three fumble recoveries and one fumble recovery for a touchdown.