Henrikh Mkhitaryan leaving Arsenal to join Roma on loan this week confirmed the Alexis Sanchez swap deal that brought him to the Emirates in the first place as one of the worst transfers of all time.
After heading in the opposite direction to Manchester United as the protagonist of the deal in January 2018, Sanchez failed to replicate his stunning form for the Gunners at Old Trafford and was therefore loaned out to Inter Milan last week.
It proved fairly disastrous for both sides, though, as Mkhitaryan also struggled in north London and was subsequently deemed surplus to requirements by Unai Emery this summer.
With this swap flop in mind, Starsport have taken a look at the five other calamitous transfers.
5. Kaka – AC Milan to Real Madrid (£60m)
The Brazilian star earned a reputation as one of the most talented footballers on the planet during his time at AC Milan, where he picked up a Serie A title, the Champions League and a Ballon d’Or.
His stunning performances at the San Siro meant Real Madrid paid £60m to sign him in the summer of 2009 – the second highest transfer fee ever at the time – but the move proved a disaster.
Kaka’s four-year spell at the Bernabeu was marred by injuries, with the midfielder struggling to replicate the form that saw him rise to superstardom in Italy.
After scoring just 29 goals in 120 outings for Los Blancos, he was eventually sold back to Milan on a free transfer that saw Madrid paid merely in performance-related bonuses.
4. Andriy Shevchenko – AC Milan to Chelsea (£31m)
Another Milan player whose move from the San Siro proved catastrophic was Shevchenko, who joined Chelsea for £31m in 2006 having scored 175 goals in 296 games for the Serie A side.
Even at the age of 30, there were extremely high hopes for a striker who had played a crucial role in his former club winning the Champions League.
However, the Ukrainian proved one of the biggest flops in Premier League history.
Shevchenko featured just 77 times for the Blues, scoring a disappointing 23 goals, and was sold to Dynamo Kyiv in 2009 after briefly returning to Milan on loan.
3. Andy Carroll – Newcastle to Liverpool (£36m)
Carroll came through Newcastle’s academy and burst onto the scene at St James’ Park in their 2009/10 Championship-winning campaign, scoring 19 goals as they romped home to the title.
He then hit the ground running in the Premier League with 11 goals in his first 20 games, which attracted the attention of Liverpool boss Kenny Dalglish.
The Reds forked out an eye-opening £36m to get their hands on the powerhouse centre-forward on deadline day in January 2011, but it didn’t go to plan.
After scoring 11 times in his 58 outings for Liverpool, Carroll was eventually sold to West Ham for £15m.
2. Jonathan Woodgate – Newcastle to Real Madrid (£13m)
Many eyebrows were raised when Real Madrid turned to Newcastle’s Woodgate as the answer to their defensive problems, paying the Magpies around £13m for his services in 2004.
His consistent injury problems were no secret at the time – in fact, he was injured at the time of signing for Jose Antonio Camacho’s side – and the centre-back didn’t feature for Los Blancos in his first season for that very reason.
Woodgate finally made his debut in September 2005, and it proved a complete horror show.
As well as scoring an own goal at the Bernabeu, the former Leeds man was also sent off for a second bookable offence – which unfortunately remains his most memorable moment in 14 appearances for the club before being sold to Middlesborough in 2006.
1. Fernando Torres – Liverpool to Chelsea (£50m)
The main reason Liverpool splashed £36m on Carroll is they were trying desperately – maybe a little too desperately, in hindsight – to replace Torres.
In one of the most dramatic transfers ever, the Spaniard swapped Anfield for Stamford Bridge for a then British record fee of £50m.
Torres was regarded as one of the most feared strikers in world football at this stage having scored 81 goals in 142 appearances for the Reds, but it’s fair to say he didn’t enjoy similar success at Chelsea.
In 172 appearances for the Blues, he netted a woeful 45 – and infamously missed an open goal away at Manchester United in 2011.