Mikel Arteta is in the midst of his own revolution at Arsenal.
The Gunners boss has overseen three transfer windows since returning to the club as manager, replacing the sacked Unai Emery in December 2019.
Thomas Partey has been the big signing in that time, but Arteta has let a number of players leave the club as he tries to put his stamp on the side.
There were a number of transfer decision made by his predecessor Emery though and were they the right calls?
Emery allowed nine players to leave the Emirates, here we take a look at what happened next.
The Spaniard was at his magical best for his first three years at Arsenal before chronic injury problems kicked in – restricting him to just 32 appearances across his final three seasons and none in his last 18 months.
Technically superb, two-footed and with a relentless work ethic, the attacking midfielder was adored by Arsenal fans, but the injuries limited his powers. In fact, so bad were his ankle problems that it was feared Cazorla might not be able to run again. But a miraculous recovery saw him star for Villarreal in La Liga in 2019/20 before making the move to the far east, joining Al-Sadd, with whom he won the Qatar Cup.
Like Cazorla, Wilshere was a central midfielder beset by injury and fitness issues during his final years at the Emirates. And like Cazorla, the decision not to renew Wilshere’s contract appears to have been taken in advance of Emery’s arrival, with the Spaniard confirming the decision.
Having joined Arsenal aged nine, the midfielder made just three appearances in 2015/16 and spent the following year on loan at Bournemouth before joining West Ham on a free transfer.
Wilshere’s injury problems continued in east London, restricting him to just 19 appearances in almost two years.
He signed for Bournemouth on a free transfer in January 2021, and has scored twice in eight appearances for the Cherries.
The midfielder made three first-team appearances under Wenger in the 2017/18 campaign, against Doncaster, Norwich City and West Ham.
Dasilva joined Brentford on a free transfer the summer that Emery replaced the Frenchman and he has since blossomed into a promising player, making 100 appearances for the Bees.
He has scored seven goals in 35 appearances for the Championship side this season and will be aiming to return to the Premier League, with the Bees second in the table.
A youth international for both Germany and the US, Zelalem was hyped massively by Arsenal fans after impressing as a 16-year-old during the Gunners’ 2013 summer pre-season tour of Asia.
But he made four first-team appearances for the Gunners, and unremarkable loan stints at Rangers and VVV Venlo preceded his exit in March 2019, when he joined MLS club Sporting Kansas City.
After Kansas elected not to extend his stay, he signed for New York City in 2020.
The defensive midfielder featured twice in Arsenal’s first team, against Qarabag and Vorskla Poltava in the Europa League campaign, under Emery.
Having joined the club aged seven, Gilmour was released in 2019 and signed for Norwich, before joining Dutch club Telstar on loan for the remainder of the campaign.
He moved on to St Johnstone in Scotland on deadline day this year and has made one appearance.
The veteran Swiss international was one of the first arrivals of Emery’s stint in north London, joining on a free transfer in the summer of 2018 after his contract at Juventus expired.
Aged 36, the right-back’s one-year deal was not renewed and he subsequently joined Bundesliga side Augsburg. Lichtsteiner made 20 appearances in the top-flight last seaosn,. but has yet to play this time around.
The Spaniard joined Arsenal’s youth system from Barcelona in the summer of 2013 and signed a professional contract the following year. However, despite captaining the under-23s side, he never quite made the cut.
Pleguezuelo returned to Spain for loan stints at Real Mallorca and Gimnastic before making his senior Arsenal debut against Blackpool in the League Cup in October 2018.
He did not appear again for the club and joined Dutch side Twente on a free in 2019. He made 19 Eredivisie appearances before the season was brought to a premature end, splitting his time between centre-back and right-back.
He has made another 19 appearances this season, scoring once.
The Welshman technically was released by Arsenal even if it was not the club’s decision, as he decided not to renew his contract and joined Italian champions Juventus as a free agent last summer.
Ramsey netted 64 goals in 369 appearances for the club after joining from Cardiff City in 2008, including the winning goal in two seperate FA Cup finals against Hull in 2014 and then Chelsea three years later.
He netted six goals in 35 appearances for Juve last season and has two in 24 games with the Old Lady this year, although he has failed to nail down a starting slot amid strong competition for midfield places and has been linked with a return to the Premier League.
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Welbeck joined Arsenal in a £16m switch from Manchester United in the summer of 2014, even though Arsene Wenger later admitted he did not want to sign the forward permanently.
Another player beset by constant injuries, he featured in only 63 league games across his final four seasons in North London – scoring five times in 14 appearances under Emery.
The English striker moved to Watford when his contract expired and then signed for Brighton in the summer transfer window, although he has managed just two goals and 13 appearances for the Seagulls.