Newcastle lock Adriaan Fondse has been suspended from Saturday's Aviva Premiership game against Leicester at Welford Road.
Bath have signed Scarlets lock Dominic Day on a three-year contract.
Peter Buxton has agreed a new one-year contract with Gloucester.
London Irish have signed Ospreys loose-forward Tom Smith on a two-year deal.
Northampton have agreed contract extensions with prop Tom Mercey, wing Anders Mogensen and hooker Ross McMillan.
England international Owen Farrell has signed a contract extension with Aviva Premiership champions Saracens.
England Saxons No.8 Thomas Waldrom has ended speculation over his future by signing a new deal with Leicester.
Worcester have signed England international scrum-half Paul Hodgson on a three-year deal from London Irish which will start next season.
Glasgow have announced their second signing in 24 hours with confirmation that Newcastle lock Tim Swinson will join them in the summer.
Leicester Tigers have announced that 21-year-old scrum-half Sam Harrison has agreed terms on a new contract.
Mark Wilson claims the ambition of Newcastle owner Semore Kurdi helped convince him to sign a new long-term deal at the club.
Gloucester have announced that Scotland hooker Scott Lawson is to leave the club at the end of the season.
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