It was the French who caught the eye in round one with six of their eight teams winning, including Stade Rochelais and Toulon away from home.
Sharks flanker Tino Mavesere was sent off after just 20 minutes following a shoulder-led challenge to the head of Cardiff and Wales full-back Cameron Winnett.
Eben Etzebeth is set to play his first game in over two months when he starts against Ulster at Kings Park on Saturday in the United Rugby Championship.
Springbok Ox Nche has helped the Sharks claim a much-needed win in front of their home fans as the prop crossed for a double during the 38-7 demolition of Oyonnax.
South Africa lock Eben Etzebeth is poised to make his first appearance since winning the World Cup as the Sharks take on the Dragons in the United Rugby Championship tomorrow at Hollywoodbets Kings Park.
The Sharks are set to welcome back World Cup winning South Africa centre Lukhanyo Am for their contest against Connacht at Kings Park tomorrow in the United Rugby Championship.
The Sharks and the Ospreys meet in a historic match at the Twickenham Stoop on Friday night, as it will be the first time a United Rugby Championship match has ever taken place in England.
Sharks players ratings live from Aviva Stadium: The South African franchise came to Dublin looking to cause a major URC upset against a Leinster team last beaten at home 11 months ago by the Bulls.