Victory here may have come at a cost with Laurent Koscielny suffering a knee injury.
He played on but will be assessed ahead of Sunday.
Olivier Giroud also got a kick in the back from Yohan Benalouane, who was booked, in a challenge Wenger described as a “dark orange. Close to red.”
And Alexis Sanchez, who hit the crossbar and was later involved in a diving storm, received a cut lip after a clash with Huth.
Asked about his side’s top four hopes, Wenger said: “We have one advantage. The advantage of clarity. We have to win our games.