This is a list of player transfers involving Premiership Rugby teams before or during the 2018–19 season.
The list is of deals that are confirmed and are either from or to a rugby union team in the Premiership during the 2017–18 season.
Bristol Bears won promotion to the Premiership from the 2018–19 season,[1] whilst London Irish were relegated to the RFU Championship from the 2018–19 season.
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