What you need to know:
- Emi started the last 11 matches of the 2019/20 season, performing superbly and continuing this form into this season in Arsenal's Community Shield penalty shoot-out victory over Liverpool.
- The 28-year-old Argentine has signed a four-year deal.
Aston Villa announced the signing of Arsenal goalkeeper Emiliano Martinez on Wednesday for a reported fee of £20 million ($26 million, Sh2.6 billion).
The 28-year-old Argentine, who has signed a four-year deal, helped Arsenal to FA Cup victory last season and Community Shield glory last month but faced playing second fiddle to Bernd Leno.
Villa boss Dean Smith said: "We are really pleased with the signing of our new goalkeeper Emiliano Martinez.
"We know how highly Arsenal rated him and we watched his outstanding performances last season in a trophy-winning top side.
"We moved for Emi when we saw the opportunity, as it is rare to be able to buy a top-class goalkeeper who hasn't yet reached their peak age and who can therefore be a key player for our club for the long term."
The Argentinean international goalkeeper, a hugely popular figure around the club, signed for Arsenal 10 years ago in August 2010 from home city side Independiente.
Emi started the last 11 matches of the 2019/20 season, performing superbly and continuing this form into this season in Arsenal's Community Shield penalty shoot-out victory over Liverpool.
In total, Emi made 39 first-team appearances, spending loan spells with six clubs – Oxford United, Sheffield Wednesday, Rotherham United, Wolves, Getafe and Reading – in order to develop his experience.