India batsman Cheteshwar Pujara joins Gloucestershire for the first six matches of this season's County Championship.
Gloucestershire sign experienced West Indies fast bowler Jerome Taylor on a three-year deal.
The PCA says it would back two overseas players per club from 2021 to allow Kolpak signings to continue playing county cricket.
Long-serving seamer David Payne signs a new contract with Gloucestershire until the end of the 2023 season.
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Gloucestershire and Northants players celebrate promotion to Division One of the County Championship after Glamorgan's draw with Durham sees both sides go up.
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