Adam Keighran has been named to make his NRL debut in the No.6 jersey alongside halfback Blake Green in the Warriors' season-opener against his former Canterbury-Bankstown club at Mount Smart Stadium on Saturday.
The 21-year-old started at standoff in each of the club's NRL trial wins over Melbourne and the Wests Tigers.
Head coach Stephen Kearney has given him the chance against a club he played for in the former Intrust Super Premiership (now the Canterbury Cup NSW) in 2017 before switching to Penrith last year.
While Keighran will be the only player on first-grade debut for the Warriors on Saturday, another former Bulldog Lachlan Burr will start at loose forward in his first outing for the club and his first NRL appearance in three years after last playing for Gold Coast in 2016.
Keighran becomes Warrior number 231 and Burr number 232, with Burr coming into the side for Isaiah Papali'i who has been stood down for a week for a breach of club standards.