[4] As a redshirt junior, Austin caught 61 passes for 1,053 yards and 11 touchdowns and was named first-team All-American Athletic Conference (AAC).

[13] He did not play a down during the regular season, which ended with the Steelers achieving a 9-8 record, denying Austin a playoff appearance.

[14] In week 3 of the season against the Las Vegas Raiders, Austin caught his first NFL touchdown on a 72-yard deep pass from quarterback Kenny Pickett in a 23–18 Steelers victory.

[17] In his postseason debut, Austin scored a receiving touchdown in the 31–17 loss to the Bills in the Wild Card Round.

[18] Austin, along with running back Cordarrelle Patterson, was named one of the team's kick returners ahead of the regular season.

During the game, Austin caught four passes in total, one being a 55 yard touchdown catch from Justin Fields in the fourth quarter.