Nevertheless, the continual adjustments to Emery's stylistic demands proved not to be a hindrance to Arsenal as they came away with their first three points on the road in the new Premier League season.
They hit back eight minutes later, though, when Ward directed an expert header in off the left post from 12 yards out after Morrison nodded a free-kick back across goal.
'He has good data to score and today he showed us.
'We could've got a result really'. The Liverpool guy (Alisson) is that confident!
"If Arsenal had our chances they would have beaten us by five or six goals", he said.
His continuous exclusion from the starting eleven has therefore been a surprise to many as he has been tipped to provide the steel cover for the defence, a quality that has been missing for Arsenal in the past years.
"I am very happy with the player, and I think every player can play".
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'We take a little risk.
"We can continue to work to find the best performance with each player".
Emery started Alexandre Lacazette for the first time this season, and he responded by setting up one goal and scoring the victor in the 81st minute.
'Not a lot of difference. Nothing changes really. At my age I just want to enjoy watching the team. "Football's too negative at..." I can't remember how many times I had my head in my hands today.
Last month Kroenke made a move to take full control of Arsenal after making an offer to buy out Alisher Usmanov's 30.4 per cent stake of the club - a move which many fans remain sceptical about.
Twice his men went ahead against the Premier League new-boys and twice familiar defensive failings allowed Warnock's men back into the contest.