Fahey debuted for GWS in round 11 of the 2023 AFL season in a seven-point win against Geelong.[2][3]
After an investigation by the AFL due to alleged inappropriate behaviour at an end of season function. Fahey was suspended for four matches after being found to have breached AFL rules regarding conduct unbecoming. Six teammates were also suspended for two matches, while another seven were fined $5000.[4]