He also caught 43 passes for 396 yards and 3 receiving touchdowns, while finishing his defensive career with 112 tackles, 5 interceptions, and 3 fumble recoveries.

[3] Edmunds played a key defensive role at Virginia Tech starting at strong safety and sharing time at middle linebacker from 2015 to 2017.

On March 14, 2018, Edmunds participated at Virginia Tech's pro day, but opted to stand on his combine numbers and only performed positional drills.

At the conclusion of the pre-draft process, Edmunds was projected to be a third round pick by the majority of NFL draft experts and scouts.

[16] Head coach Mike Tomlin named Edmunds the backup strong safety, behind Morgan Burnett, to begin the regular season.

[17] He made his professional regular season debut and first career start in the Steelers’ season-opener at the Cleveland Browns and broke up one pass attempt during a 21–21 tie.

[18] On September 24, 2018, Edmunds recorded one tackle, deflected a pass, and made his first career interception during a 30–27 win at the Tampa Bay Buccaneers in Week 3.

Edmunds intercepted a pass by Buccaneers’ quarterback Ryan Fitzpatrick that was intended for wide receiver Mike Evans, and returned it for a 35-yard gain during the second quarter.

On December 2, 2018, he recorded eight combined tackles, deflected a pass, and made his first career sack as the Steelers lost 33–30 against the Los Angeles Chargers in Week 13.

[26] In Week 11 against the Jacksonville Jaguars, Edmunds recorded his first two interceptions of the season off of passes thrown by Jake Luton during the 27–3 win.