Premiership champions Exeter will begin their title defence at Gloucester when the 2017-18 season starts on 1 September.
Harlequins full-back Aaron Morris signs a new contract following his first season with the club.
Harlequins centre Joe Marchant signs a new and extended contract with the Premiership club.
Premiership side Harlequins sign former Bristol second row Ben Glynn as cover for the injured Sam Twomey.
Audio & Video
Harlequins prop Kyle Sinckler says England team-mate Ben Te'o is the worst room-mate he has ever had.
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What's on BBC Sport this week
This week's sport on the BBC includes The Open, the conclusion of the Women's Cricket World Cup and action from the World Para-athletics Championships in London