In England's Aviva Premiership, a double by No 8 Thomas Waldrom was insufficient as his Exeter Chiefs lost 36-18 to Saracens.
No 10s Jimmy Gopperth and Mike Delany both slotted four goals, but it was Gopperth's Wasps who defeated Delany's Newcastle 34-20 this morning.
Bryce Heem was on the right wing as his Worcester held off London Irish 12-6. Bath beat Gloucester, with Kiwis Tom Marshall, John Afoa, Jeremy Thrush in the mix, 17-12.
Sale Sharks, who fielded Sam Tuitupou and Bryn Evans, scored a good 27-20 win over Leicester Tigers.
Four goals from the trusty left boot of Ben Botica was not enough for Harlequins, who lost 29-23 to Northampton and the Pisi brothers.
In France's Top 14, Toulon, with Tom Taylor at second five, upset Racing-Metro 21-20 in Paris. Dan Carter also suited up at No 12, and kicked five goals, while Chris Masoe was at No 8.
A try to hooker Hikairo Forbes could not prevent La Rochelle falling 39-23 at Grenoble.
Starting for the victors were Tino Nemani (14), Nigel Hunt (12), Rory Grice (8) and Steven Setephano (6).
Conrad Smith and Colin Slade helped Pau to a 25-6 win over Oyonnax, while David Smith's Castres lost 23-22 to Brive. George Tilsley copped a yellow card in Agen's 45-21 loss to Montpellier. Clermont, with Hosea Gear on the right wing, won 24-19 against Bordeaux-Begles, who fielded Peter Saili, Luke Braid and Hugh Chalmers (off the bench) in their loose trio.
This morning Toulouse belted Stade Francais 36-3. Luke McAlister kicked a goal from No 10, while Corey Flynn started at hooker for the victors. Paul Williams was at centre for Stade.