Born in Egypt and recruited through Adelaide's Next Generation Academy at the end of 2020, Borlase is the son of Darryl, who played 246 SANFL games for the Port Adelaide Magpies and won four premierships, captaining the 1998 side. The 192cm intercept defender debuted in Round 21, 2023 against Gold Coast and played 10 matches the following year. He has played 34 games and kicked 1 goal.