Lacazette has struggled to adapt to English football since his £52million arrival last summer and wasted two late chances to steal a point for the Gunners in Saturday’s 1-0 North London derby defeat to Tottenham.
“Maybe the confidence is not at its highest because he has seen a competitor coming in.
“But, for him, one against one with the keeper, he is still a good goal-scorer. He has gone through difficult periods before.
“He works hard in training, works on his finishing. I don’t know what happened, did he not touch the ball well? It can happen, it is a fraction of a second. But he created two chances. That is a quality as well.