Albion supporters are being warned by the club to remain in Ninian Park after the clash with Cardiff until police can ensure their safety outside the stadium.
The Seagulls board have issued the advice after scenes of violence following Huddersfield Town's 2-1 victory over the Bluebirds last Saturday, which ended City's 27-match unbeaten home record.
Many fans are now believed to be reluctant to travel to Wales.
Albion top Division Two and Micky Adams' side are anxious to take a large number of supporters to Ninian Park.
The match pits Seagulls against their former assistant boss Alan Cork, who has come under fire from disgruntled fans after recent results.
Seagulls also have former Cardiff players Charlie Oatway and Richard Carpenter in their ranks.
The club have come to an agreement with Cardiff's safety officer which will allow the visiting fans to stay in the ground until City's supporters have dispersed outside.
Police will clear routes to the local car parks and the railway station and Albion chief executive Martin Perry believes it is the only way of ensuring the Seagulls' followers will not be at risk.
Perry said: "There was an incident involving Cardiff and Huddersfield last weekend and the concern is we have to ensure the safety of our own fans.
"We have spoken to the safety officer at Cardiff in order to ensure the maximum segregation at Ninian Park.
"We do not want to see anybody get hurt and we are advising our fans to remain in the ground to allow the Cardiff supporters to clear away from the ground and hopefully there will be no trouble."
The Football Association have revealed that, from next season, there will be no direct sponsor of the England team or the FA Cup.
The current sponsorship deals, with Nationwide for the England team and AXA for the FA Cup, run out at the end of the current international season, which climaxes with the World Cup in Japan and South Korea.
The new approach forms part of a complete re-organisation of the FA's marketing policy.
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