He finished his career starting 39 of 48 games, recording 158 tackles, nine interceptions, 1.5 sacks and two touchdowns.

[10] In Week 4 against the Chicago Bears, Blackmon recorded his first career interception off a pass thrown by Nick Foles during the 19–11 win.

[11] In Week 6 against the Cincinnati Bengals, Blackmon intercepted a pass thrown by fellow rookie Joe Burrow late in the fourth quarter to secure a 31–27 Colts' win.

[12] In Week 11 against the Green Bay Packers, Blackmon forced a fumble on Packers' wide receiver Marquez Valdes-Scantling which was recovered by teammate DeForest Buckner early in overtime to help the Colts win the game 34–31 by a game winning field goal.

[14] Blackmon returned as a full-time starter in 2023, recording a career-high 88 tackles and a team-high eight passes defensed.