Haywards Heath can make Sussex rugby history by avoiding defeat at home to Wimbledon today.
Dave Wattam's side need one point from their last two games to become the first team from the county to win London Two South.
Last week's 6-5 defeat of Canterbury put them within touching distance of London One but skipper Wattam said: "We want to finish with two wins."
Heath have stitched together 19 successive league victories and are also hot favourites to retain the Sussex Trophy against Worthing next Saturday.
Today is a big day too for Bognor, who can move into a promotion spot by beating second placed Dunstonians at Hampshire Avenue in Four South East.
Full backs Andy Shipp and Darren Brown, wing Des O'Connor and centre George Castleotn are all ruled out but skipper Tom Spurle said: "We have good players who can step up."
Hastings and Uckfield do battle at Eastbourne at 2 pm to decide the first winners of the Sussex Intermediate Shield.
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