Saracens sign United States hooker Phil Thiel as cover for Schalk Brits, who is on international duty with South Africa.
Ospreys are well beaten in their final pre-season friendly, losing away to Aviva Premiership side Saracens.
Saracens make South African lock Alistair Hargreaves their new captain, replacing the retired Steve Borthwick.
Northampton Saints will start the defence of their Premiership title at home to Gloucester on Friday, 5 September.
Fijian wing Michael Tagicakibau joins Scarlets from English top-flight club Saracens.
Premiership side Saracens sign prop forward Kieran Longbottom from Super Rugby side Western Force.
Dual-code international Joel Tomkins returns to rugby league side Wigan Warriors after three years in rugby union with Saracens.
Northampton fly-half Stephen Myler describes their victory over Saracens in the Premiership final as a "proud day".
Alex Waller's try in the last minute of extra-time wins Northampton their first Premiership title with victory over Saracens.
Ex-England captain Steve Borthwick prepares to lead Saracens out for the last time in the Premiership final at Twickenham.
Saracens agree to sign Scotland lock Jim Hamilton, Argentina prop Juan Figallo and England Sevens winger Mike Ellery.
Saracens captain Steve Borthwick will join Japan's coaching set-up when he retires from playing at the end of the season.
Jonny Wilkinson kicks 13 points on his final appearance on British soil as Toulon overpower Saracens to retain the Heineken Cup.
Long queues at the M4 tolls into Wales clear after fans heading for Heineken Cup Final in Cardiff contributed to earlier delays
Beer festivals, half-time pies and Christmas gifts for the kids - Saracens' unorthodox route to the top.
Saracens captain Steve Borthwick is fit to play in Saturday's Heineken Cup final against Jonny Wilkinson's Toulon.
Saracens prop Matt Stevens will enter the Heineken Cup final playing for a side that he says saved his career.
Saracens boss Mark McCall says his side have banished the disappointment of last season's failures by reaching two finals.
Saracens overturn a half-time deficit to beat Harlequins and reach their first Premiership final since 2011.
England's Billy Vunipola says being involved in the Premiership semi-finals with Saracens will help develop his game.
Video & Audio
Features & Analysis
Jeremy Guscott, part of the first English side to win the Heineken Cup, predicts the outcome of the last ever final.
Clermont's class and Toulon's power will prevail against Saracens and Munster respectively in the Heineken Cup semi-finals, says Jeremy Guscott
England's Chris Robshaw must shine in the big London derby between Harlequins and Saracens, says Jeremy Guscott
England fly-halves past and present Owen Farrell and Jonny Wilkinson meet in Sunday's Heineken Cup semi-final at Twickenham