The 23-year old is enjoying his best season to date, currently sitting third on the Coleman Medal tally with 36 goals.
Hogan is contracted at Melbourne until the end of the 2019 season, and Harvey thinks it is only a matter of time before he packs his bags.
“I think he will (leave Melbourne),” Harvey told Future Stars.
“I think one day he will leave. I don’t know if it’s this year, next year or the year after, but one day he’ll end up in Perth.”
The AFL games record holder identified Fremantle as an ideal landing spot, given the club’s lack of forward targets.
“Cam McCarthy has played 11 games and kicked 12 goals.
“They need to target a big position player again.”