Sussex batsman Laurie Evans signs a contract extension to stay with the county beyond the end of next season.
Gloucestershire sign Stuart Whittingham after the right-arm fast bowler is released from his contract at Sussex.
Sussex all-rounder David Wiese extends his contract beyond the 2019 season with a new undisclosed-length deal.
Sussex's Barbados-born all-rounder Jofra Archer can play for England next year after the ECB changed its residency rules.
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