The Aviva Premiership Rugby Semi-finals have now been confirmed as the final round matches of the 2011/12 Premiership regular season have been played.

Harlequins victory over the Sale Sharks placed Quins on top of the standings for they host a Semi-final next week.

The second Semi-final will be hosted by Leicester Tigers at Welford Road and will be a rematch of last year's final.

Aviva Premiership play-off fixtures:

Semi-Final 1:

Harlequins v Northampton Saints
Date:Saturday, May 12
Venue:Twickenham Stoop
Kick-off: 14:45 (13:45 GMT)
Live on Sky Sports

Semi-Final 2:

Leicester Tigers v Saracens
Date:Saturday, May 12
Venue:Welford Road
Kick-off: 17:30 (16:30 GMT)
Live on ESPN