[1] He forced his first fumble and made three tackles in the home win against South Alabama.

[1] Calhoun caught 3 interceptions on the year and recorded 45 total tackles (33 solo).

[3] Scooped up a blocked field goal and returned it 68 yards to the OSU 10-yard line to end the first half.

[7] Calhoun finished the 2015 season with 39 tackles, 6.5 for loss, two interceptions and a team-best 10 passes defended.

[14] On December 20, 2017, Calhoun was signed to the Miami Dolphins practice squad.

[16] On September 18, 2018, Calhoun was signed to the Atlanta Falcons' practice squad.