Originally from Scoresby, McCormack played with North Melbourne's strong under 19 side before transferring to Victorian Football Association (VFA) club Dandenong.
In 1998 McCormack won the Fos Williams Medal, representing the SANFL against the West Australian Football League.
He moved back to Victoria in 2006 and began coaching East Ringwood in the Eastern Football League.
He was an assistant coach with the Sandringham Dragons in the Victorian Under 18 TAC Cup competition.
McCormack was sacked from Edithvale-Aspendale Sporting Club at the conclusion of 2023 after two seasons as their senior coach.