Donay Kaylin O'Brien-Brady (born 15 January 2004) is an English professional footballer who plays as a midfielder for EFL League One club Peterborough United.
O'Brien-Brady spent time in the youth systems at Fulham and Tottenham Hotspur before he joined the Academy at Huddersfield Town in the summer of 2020, where he was assigned an IDP (Individual Development Plan) to improve his dribbling and shooting on the move.
[3] He signed a one-year contract extension with the club option of a second year in June 2022.
[5] Following a three-week trial, O'Brien-Brady signed a two-year deal with Peterborough United on 3 August 2023, with manager Darren Ferguson remarking that he would be involved in the senior squad.
[6][7] He made his first-team debut at London Road on 31 October 2023, when he came on as an 83rd-minute substitute for Joel Randall in a 3–1 win over Tottenham Hotspur U21 in the group stages of the EFL Trophy.