Ulster GAA provincial secretary and CEO Brian McAvoy says he's opposed to a league-based All-Ireland Football Championship.
A majority of inter-county players are understood to support Proposal B at the upcoming Special Congress, which would see the Championship played on a league basis if adopted by delegates.
Proposal A would see the Championship structured around four eight-team groups loosely on a provincial basis and either option would require 60 per cent backing at the Congress.
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McAvoy feels there's "significant weaknesses" with both proposals