The north London side were forced to settle for a 1-1 draw with Spanish side Atletico Madrid in the first leg of their Europa League semi-final at The Emirates on Thursday night.
Antoine Griezmann scored a late equaliser for the visitors after his compatriot Alexandre Lacazette had earlier given Arsenal a slender lead following Atletico’s first-half sending off.
Wenger is expected to rest some of his key players for the trip to Old Trafford on Sunday given the Europa League is Arsenal’s only realistic hope of securing Champions League football next term.
The Gunners are in sixth place in the Premier League table and 17 points behind second-placed Manchester United after a disappointing final season under Wenger for the north London outfit.
Former Liverpool FC defender Lawrenson is expecting Manchester United to heap more misery on Arsenal at Old Trafford in Sunday’s fixture.
“Could Wenger’s record against Mourinho give him extra incentive to try to beat United on their own turf again, like they did when they won the title at Old Trafford in 2002?” Lawrenson told BBC Sport. “No.
“I think he will be more bothered about his side’s Europa League semi-final, and trying to get them through that.”
Arsenal missed out on a spot in the Champions League last season after the Gunners finished behind Liverpool FC in the top-four race.
The Gunners have never won a European trophy under Wenger.
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