Arsenal coach Arsene Wenger watches as Olivier Giroud prepares to come on in Tuesday's defeat tyo Swansea City. The substitute appearance may have been Giroud's last for Arsenal. Photo: REUTERS/Rebecca Naden

LONDON - Arsene Wenger is resigned to losing Olivier Giroud on transfer deadline day but has yet to confirm Pierre-Emerick Aubameyang is definitely joining the club.

Aubameyang may have spent Tuesday afternoon at the club's training ground, but the Gunners manager was reluctant to say the club record £60 million ($84 million, 68 million euros) deal for the Borussia Dortmund striker would be concluded for certain on Wednesday.

Just moments after seeing his team lose at 3-1 resurgent Swansea City on Tuesday, Wenger would not be drawn on whether he felt Giroud's anticipated £18 million move to Chelsea would be offset by Aubameyang's arrival.

"I will inform you tomorrow," said Wenger, when asked if the transfer was about to be completed.

Asked whether he was confident it would go through, he added: "Confidence does not help, because nowadays the deals can be so complicated."

Wenger also refused to say Giroud had played his final match for the club after the Frenchman came on as a late substitute, but was unable to prevent his club from losing to the Premier League strugglers.

"That will all be decided tomorrow," said Wenger when asked about Giroud's future, with Dortmund also a possible destination if the Chelsea deal falls through.

But the fact that Wenger talked about Giroud in the past tense suggested the striker is about to end his six-year association with Arsenal.

"Olivier is a guy who gave great service to the club, who never let us down and saved us many times. I asked him if he could commit tonight and he had no problem with that," he said.

"He became a strong international player for France. He has always been top class. But I don't want to talk too much about where he goes.

"He is an Arsenal man, but he needs to play as well. At some stage, it was not a good situation for him."

Wenger's side are still without an away victory in 2018 after they lost a first-half lead, given to them by Nacho Monreal, within 60 seconds.

Sam Clucas equalised for Swansea and then scored his second four minutes from time, but the game turned on a dreadful error by Arsenal keeper Petr Cech, which allowed Swansea's Jordan Ayew to put his side 2-1 ahead.

"We were not convincing, offensively or defensively," Wenger added.

"You make mistakes and there is not always a rational explanation. But perhaps it highlights the whole lack of quality and concentration we showed tonight.

"They (Swansea) were more decisive. Maybe there is a confidence problem as well."

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