These were the rule changes for those that missed it. Not sure who benefits most. Grundy and maybe Nank?
9. Ruck contests: prior opportunity
• A ruckman who takes direct possession of the ball from a bounce, throw-up or boundary throw-in will no longer be regarded as having had prior opportunity.
• Where there is uncertainty over who is the designated ruckman, the ruckman for each team will still be required to nominate to the field umpire.