According the The Courier Mail, the Broncos are preparing to payout Bennett before Christmas, which will allow the veteran coach to move to the Rabbitohs, while Seibold will move to the Broncos.
Bennett and Seibold have agreed to switch jobs for the 2020 season, but if a deal can be reached both coaches will be able to join their new clubs a year early.
Bennett recently returned to Red Hill after completing his coaching duties with the England national team.
The coaching great told The Courier Mail he will see out the remainder of his contract at the Broncos, despite the inclination his position is untenable.
“I’ll be honouring my contract by going to training,” Bennett told The Courier Mail.
“I don’t know [if he will be sacked]. I’m not commenting any further other than to say I’ll be at training.”