Gillingham have completed the signing of striker Brennan Dickenson on a two-year deal.
Brighton are set to offer new deals to four players, including Matt Upson, but have released six more.
Northampton have signed Brighton winger Brennan Dickenson on loan until the end of the season.
AFC Wimbledon boss Neal Ardley is disappointment that the club were unable to extend Brennan Dickenson's loan deal.
Brennan Dickenson is set to return to Brighton following the end of his loan spell at AFC Wimbledon.
AFC Wimbledon have signed teenage forwards Brennan Dickenson and Jesse Darko on loan from Brighton and Cardiff respectively.
Chesterfield have secured the services of Brighton teenager Brennan Dickenson for a further three weeks.
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