In-form Wasps are the 15/8 favourites with Coral and Ladbrokes to win the Guinness Premiership Grand Final.
They continued their blistering end-of-season form with an all-important bonus-point win, 45-28, against already-relegated Leeds in their final match of the regular season and now have home advantage in their semi-final with Bath.
Lawrence Dallaglio's men have nine wins from their final 10 league games and are rated 4/7 chances with Coral to reach the Grand Final, with Bath on offer at 5/4 (7/2 in the outright market).
Table-topping Gloucester will play Leicester in the other semi-final after the Tigers edged into fourth spot.
Leicester needed a bonus-point win over Harlequins and for Sale to lose at home to London Irish and kept their side of the bargain with a last-gasp 31-28 win at Welford Road.
And with Sale losing 17-7 at Edgeley Park, Marcelo Loffreda's side snuck into fourth place and are 5/4 to make the Grand Final with Coral and 4/1 with Paddy Power to win it.
Gloucester are second favourites on the outright front at 9/4 with Ladbrokes and Sky Bet, and 4/7 with Coral to see off the Tigers.
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