Connacht produced one of the biggest upsets in Heineken Cup history as they defeated four-time champions Toulouse 16-14 at Stade Ernest-Wallon.
Leicester consolidated second place in Pool 5 of the Heineken Cup with a hugely-entertaining 41-32 victory over Montpellier at Welford Road.
Gloucester coach Nigel Davies hailed wing Jonny May after his inspired run set up one of the tries of the season against Edinburgh.
The Rugby Football League is not planning to participate in a hybrid-code fixture with the Australian rugby union team.
Leinster cruised to a 40-7 win at Northampton in the Heineken Cup on Saturday, while there were also wins for Harlequins and Saracens.
Richard Lane scored a hat-trick of tries as Bath thrashed Rugby Mogliano 55-8 in Italy for a bonus-point victory that ensures they remain three points clear of Dragons at the top of Pool 2 in the Amlin Challenge Cup.
Northampton director of rugby Jim Mallinder admitted he was "embarrassed" by Saints' 40-7 Heineken Cup capitulation to Leinster at Franklin's Gardens.
Luke Fitzgerald scored a hat-trick as Leinster ran in six tries during a crushing 40-7 victory at Northampton.
Saracens director of rugby Mark McCall praised his team's "clinical" performance in their Heineken Cup clash against Zebre.
Ulster further tightened their grip at the top of Heineken Cup Pool Five with a 48-0 thumping of bottom side Treviso at Ravenhill.
Toulon moved clear at the top of Pool 2 as they chiselled out a hard-fought 14-9 victory over Exeter Chiefs at Sandy Park.
Nick Evans scored 17 points as Harlequins produced one of their finest performances in Europe to beat Racing Metro 32-8 in the Heineken Cup.