Goalkeeper Emiliano Martinez bid adieu to the Gunners and said he is glad to have been part of the Arsenal family for 11 years.
The goalkeeper is expected to join Villa.
Saying goodbye to Arsenal in an Instagram video on Tuesday, the 28-year-old said: "Thank you Arsenal. For me, I could not be happier to leave through the front door with the Arsenal fanbase supporting me and the club supporting me."
"I had 11 years at the club, and even if it was a hard road for me, and I suffered through my time at Arsenal, today I am happy and I tried to show young goalies how work pays off."
Martinez helped Arsenal to FA Cup and Community Shield glory in the absence of injured starter Bernd Leno.
Martinez joined Arsenal from Independiente in 2010, though the Argentine goalkeeper has often been a second or third choice at Emirates Stadium.
"When you work hard, you are not going to be happy the whole time, you are going to have frustration, bad times in life. They all understood at Arsenal and they support me for my decision. The Arsenal fanbase were always there for me, I felt their love," the goalkeeper said.
"Even when Bernd got injured this season, I received loads of messages like 'we trust in you', 'you are our goalie'. That made me confident, made me win games and made me the keeper I am today. They understood my story and they love the way I worked in the club. I am so glad to be part of the Arsenal family for 11 years," he added.
Martinez was given permission to travel up to Birmingham on Tuesday by the Gunners and spent the afternoon visiting Villa's training facilities and undergoing a medical ahead of completing his move, Goal.com reported.
According to the Goal.com, the two clubs are currently putting the finishes touches to the transfer, which is expected to be finalised within the next couple of days - ending Martinez's decade long stay in north London.
( With inputs from ANI )
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