Getty PJ Walker's NFL career began with the Colts. The Indianapolis Colts quarterback room has fluctuated for years , and there was never a time of more flux than when the Colts faced a last-minute announcement. Former Colts star quarterback Andrew Luck abruptly announced his retirement in August 2019 before the season, and the Colts needed a plan at quarterback. That quarterback room included P.J. Walker , who officially retired from the NFL on Thursday, per reporter Ari Meirov . Walker, a