Sean Maitland signs a two-year contract extension with Saracens, the club confirmed on Friday.
Stuart Barnes on Billy Vunipola's injury, the Scarlets' win in Dublin and next weekend's Aviva Premiership final.
Glasgow have signed Italy forward Samuela Vunisa from European champions Saracens.
Will Greenwood has admitted the loss Billy Vunipola to injury is a huge blow to the Lions' hopes in New Zealand.
Billy Vunipola has been forced to withdraw from the upcoming British and Irish Lions tour to New Zealand because of injury.
A last-gasp try from Sam Simmonds secured an 18-16 semi-final victory for Exeter Chiefs over Saracens.
We look at the key talking points ahead of the first Premiership semi-final between Exeter Chiefs and Saracens.
Test your knowledge of the Aviva Premiership ahead of Saturday's semi-finals by taking our quiz.
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