Worthing's midweek victory over Molesey came at a cost as the Rebels fell victim to a triple injury blow.
Damion Dobbyn faces two months out after breaking a foot in Tuesday's Ryman League win while Darren Freeman tore his groin in the same match.
Roy Pook needs major knee surgery.
Meanwhile, Eastbourne Town scored their first win back in the county's top flight thanks to a late Yemi Odubade penalty at Shoreham last night.
Matthew Clark League, division one: St Leonards 2 (Cyrus 40, Flemming 59), Sidley 0; Shoreham 2 (Mansell 79, Leaver 80), Eastbourne Town 3 (Godfrey 30, 60, Odubade pen 90).
Division two: Haywards Heath 1 (Roberts pen 86), Crawley Down 3 (Connor 46, Tidey 50, 87); Lancing 2 (Ford 5, Costello 88), Wick 2 (Curd 45, Miles 66); Mile Oak 1 (Eaton 9), Worthing Utd 0.
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