Brighton and Hove fear their star overseas bowler is playing his last season of Shepherd Neame League cricket.
Damon Preo is on board for the rest of the season and Brighton would love to keep him for future years.
It all depends on Preo, a product of the same school in Sydney as Don Bradman, securing a work permit for next year.
Skipper Ray Bieber, whose side go to East Grinstead tomorrow, said: "We would desperately like to keep him but he graduated in IT 18 months ago.
"He can't afford to spend too long off work playing cricket and he is too old for a working holiday permit.
"Unless he gets some sort of organisation to sponsor a work permit it looks like we will lose him after this year."
For Grinstead, Richard Sims returns from one-day action with Zimbabwe and replaces compatriot Mark Vermeulen.
The game at Saint Hill is arguably the most attrative of the day but intrigue at the top of the table is also increasing.
Horsham host Worthing knowing they could close the gap on leaders Hastings to just 11 points.
Hastings are without a game.
Eastbourne recall Martin Garnett as wicketkeeper for the clash with Stirlands.
Paul Stevens has a damaged thumb and cannot keep though he plays as a batsman.
Three Bridges skipper Danny Alderman might be tempted to give his part-time off spin a whirl at home to Steyning.
The Bridges seamer took lifetime best figures of 6-24 bowling spin against Worthing last week.
Top flight teams enter the Gray-Nicolls League Cup on Sunday.
Horsham kick off their bid for a fourth success in five years by visiting Chichester.
League leaders Hastings are at second division strugglers Cuckfield while East Grinstead entertain Worthing, Steyning go to Haywards Heath and struggling Stirlands entertain Eastbourne.
Roffey meet St James Montefiore in an all second division tussle.
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