He made his debut for Hawthorn in their fifty-two point win against Fremantle at Domain Stadium in round eighteen of the 2017 season.

[5] Glass performed well throughout the rest of the season,[6] and on August 2, 2017, he signed a two-year rookie/player contract extension to stay on Hawthorn's rookie list until the end of 2018.

[2] Glass made his debut for Derry against Longford in the 2020 National Football League, a fixture delayed by many months due to the pandemic.

[10] During the first half of the 2022 All-Ireland Senior Football Championship semi-final game against Galway, a Glass effort at scoring a point was ruled wide by Hawk-Eye.

[14] On 21 January 2024, Glass scored 1-2 as Glen won the 2023–24 All-Ireland Senior Club Football Championship for the first time after a 2-10 to 1-12 win against St Brigid's in the final at Croke Park.