Ulster's second casualty comes minutes later - Arnold looks to have pulled a hamstring at the breakdown and is replaced by Ludik (Ludik to fullback, Gilroy to the wing).

Ulster looking to run it from in their own half but Oyonnax turn it over and move into the 22m

Both teams trying to control territory

McCall collides with a knee in contact and is escorted from the field to get cleaned up. Callum Black fills in temporarily.

Scrum to Ulster after Oyonnax knock on

Oyonnax turn over the lineout and have possession

Another strong scrum from Oyonnax gives Robinson the platform to put in a long kick bringing play to inside the Ulster 22m

Arnold makes a break but the offload to Marshall does not go to hand

Ulster trying to pin Oyonnax back into their half but Lecoq Etienne brings play to the half with a long kick

Nick Robinson slots the 3 to take Oyonnax to 10 points