"They will come out fighting," he said.
"I am sure they will have been hurt by the criticism they have had with certain teams saying this and that.
"They will have read all the comments, so they will be coming out to show they are not all just about passing and flair.
"Arsenal have top quality players and I am sure they will be hurting. But criticism like that will only spur them on."
Not for the first time, Arsenal are being accused of having a very soft underbelly beneath their silky passing game.
"Sometimes you need more than good quality and good passing to win you games," said Fletcher. "Maybe that has hit home after all the criticism."