Arsene Wenger insisted Alexandre Lacazette's disallowed goal should have stood at Stoke.
The Frenchman thought he had cancelled out Jese's debut strike with a thunderous effort in the second half, but the linesman raised his flag.
Replays appeared to show the France international was fractionally offside, suggesting referee Andre Marriner was right to rule out the effort.
"I think we scored a goal that is not offside. It's a very easy decision. When the ball is kicked he is not offside, Lacazette," he said.
Both Martin Keown and Steven Gerrard argued with Graham Poll in the BT Sport studio that the match official got this decision very wrong at the bet 365 stadium.
"How can the linesman say he is offside there?" asked Keown. "It's got to be the torso, surely it's the body.
"What happens to the advantage being given to the centre-forward? That goal from Lacazette was a great finish, and that goal should have counted for me today."
Gerrard agreed, adding: "It's onside because if there is no advantage to the front man then what is this rule that is out there?
"The advantage should go to the front man here because for me there is only really his foot that's offside.
Former Premier League referee Poll was then asked for his opinion, and explained: "Any part of the body that can play with the football legally - and a foot is one of those things - if that is nearer the goal than the defender then it is offside.
"As much as we want to see good goals, that was offside, I'm not sure quite how the assistant referee has seen it, it's a different coloured football boot.
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"Maybe that's helped him, but we can't say it's wrong when it's not, it's definitely offside, it's the right decision, how he gets it right, your guess is as good as mine."
Gerrard then asked Poll whether he thinks the linesman may have guessed, to which the former official agreed he may well have.
Keown then spoke out once again, suggesting the referee has in fact "gambled he is right" before stating the rule that gives advantage to the centre-forward is pointless.
The conversation finished with presenter Jake Humphrey talking over the trio to move the subject on, as it seemed none of the three were willing to concede defeat in the debate.