Toulouse played almost an hour with 14 men but were still able to beat Racing 92 in a magnificent European Champions Cup quarter-final.
Damian McKenzie's 20 points and Te Toiroa Tahuriorangi's late try saw the Chiefs edge the Jaguares.
There was a tense finish at Sixways Stadium as Harlequins won by just two points over Worcester Warriors in the European Challenge Cup.
Jacob Stockdale's failure to ground a second-half try proved costly as Ulster fell to a narrow Champions Cup loss at Leinster.
Owen Farrell missed Saracens' Champions Cup win over Glasgow Warriors as his wife went into labour before kick-off.
Schalk Brits and Armand van der Merwe saw red before Handre Pollard settled a feisty South African derby in favour of the Bulls.
Ronan O'Gara says there was contact from agents over a job with France, but says he is committed to the Crusaders.
Quade Cooper made an impact on his return to Suncorp Stadium as the Rebels saw off the Reds, while the Blues claimed a third successive win.
Connacht were blown away in the first half as Sale Sharks booked their place in the European Challenge Cup semi-finals.
Johnny Sexton will not be risked for Leinster's Champions Cup quarter-final, but Maro Itoje and Stuart Hogg are set to return this weekend.