He was recruited by the Geelong Cats with the 14th pick in the 2019 rookie draft.

[1][2] He also played in the SANFL for the Glenelg Football Club in the 2019 season, where he kicked a total of 13 goals over 21 matches, while also winning the 2019 SANFL premiership[3][4][5] Close debuted in Geelong's thirty-two point win over the Fremantle Dockers in the eighth round of the 2020 AFL season.

[9][6][10] Close took home the Best Young Player Award for the Geelong Football Club at the conclusion of the season.

[12] Geelong's general manager of football, Simon Lloyd, said "Brad also played well as a forward and we see him having a good future at AFL level.

[13] Team Individual * denotes rookie listed players This Australian rules football biography of a person born in the 1990s is a stub.