Arsene Wenger is ready to ring the changes in the Champions League game against FC Porto after a shock loss to Hull.

Newcomers, Hull City, stunned the title contenders at the Emirates Stadium at the weekend with a 2-1 victory after trailing to a Paul McShane own goal.

The gunners had a string of chances in the opening half but failed to convert any of them as they once again looked for that all perfect goal. 

Wenger said after the game: "There were enough ingredients to make me physically sick.

"What we delivered was not good enough and we all know that. There will certainly be changes for Tuesday.

"When you have an opportunity to go top of the Premier League, the very least expected is that you have the correct level of intensity in your concentration right from the start.

"I would say the electric level in our head was not high enough.

"What was most disappointing is that we struggled to score in the first half, finally went 1-0 up, yet still lost the game.

"That is where we were guilty. We worked so hard to get ahead and then we let it go again."

Arsenal have already lost twice in their first six games with the other defeat coming against Fulham.

Accusations have been thrown at the young Gunners that they sometimes make one pass too many and as a result squander some easy chances to put the ball into the net.

Captain William Gallas was also quick to ring the alarm bell by warning his teammates that complacency will cause their downfall.

"I don't think that was the case and I hope not because if we think like this we will not go anywhere.

"The players were ready to play a strong game. We were not lucky and we have to work more.

"It's very difficult to accept. We said all the time we wanted to win every game - and then we go and lose to Hull." said the Frenchman.

Wenger fielded a strong line-up against Hull with the likes of Emmanuel Adebayor, Cesc Fabregas and Denilson but still lost to a side that has taken English top flight football by storm.

Geovanni leveled the game with an absolute peach of a goal before former Rangers' striker, Daniel Cousin outjumped William Gallas to score the all important winner.

Arsenal will play FC Porto in the Champions League on Tuesday.