David Luiz, Romelu Lukaku and Giovani Lo Celso were among the headline movers on a busy final day of the summer transfer window.
Arsenal completed their shock swoop for Luiz from Chelsea while Lukaku’s Manchester United misery ended with a switch to Inter Milan.
Carroll made an emotional return to Newcastle eight years after leaving his hometown club and Tottenham snapped up Ryan Sessegnon from Fulham.
Arsenal’s good day was further enhanced by the signing of Kieran Tierney from Celtic while Alex Iwobi left the Gunners for Everton.
Together Premier League clubs took their summer spending to £1.41bn, just short of the record £1.43bn spent in 2017.
Arsenal’s deadline day moves saw them edge past Manchester City to become the Premier League’s biggest spenders of the summer having forked out £155million.
Defender Luiz’s surprise move came at a reported cost of £7million with Tierney arriving for around £25million.
Brazilian Luiz had two spells at Chelsea separated by a stint at Paris St Germain, where he worked with Gunners boss Unai Emery.
“David has huge experience and I look forward to working with him again,” said Emery. “He is a well-known player and adds to our defensive strength.”
Lukaku’s switch to Inter on a five-year deal, for an initial fee of £74million, ends the Belgian’s unhappy summer at United having fallen out of favour under Ole Gunnar Solskjaer.
The 26-year-old, who joined United from Everton for £75million two years ago, did not feature during pre-season and failed to report for training earlier this week.
United were linked with Juventus’ Mario Mandzukic as a potential replacement but no deal materialised.
Carroll was back with the boyhood club where he made his name before his high-profile £35million move to Liverpool in 2011.
The 30-year-old was available as a free agent following his release by West Ham at the end of last season.
Carroll has been hampered by injuries in recent years but, after a thorough medical, Newcastle offered a one-year deal.
Other business at St James’ Park saw the arrival of full-back Emil Krafth from French side Amiens for a fee in the region of £5million.
Everton signed winger Iwobi for an undisclosed fee on a five-year contract.
The Toffees were also linked with Wilfried Zaha but Crystal Palace’s prize asset stayed at Selhurst Park and a move for Manchester United’s Marcos Rojo broke down.
Spurs spent a reported £25million to land highly-rated winger Sessegnon on a six-year deal from Fulham with Josh Onomah moving the other way. Midfielder Giovani Lo Celso also joined Spurs on a season-long loan from Real Betis.
Champions Manchester City also got in on the deadline day action by signing former England goalkeeper Scott Carson, 33, on a season-long loan.
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Romelu Lukaku has left Manchester United for Inter Milan in a reported £74million deadline-day deal.
The Premier League club announced the Belgium striker’s departure two years after signing from Everton for £75million.
The 26-year-old scored 42 goals in 96 games for United but had been linked with a move away for most of the summer and he did not feature in manager Ole Gunnar Solskjaer’s pre-season plans.
The former Chelsea forward, who had also been linked with Juventus, has signed a five-year deal with the Serie A club.
Elsewhere, Andy Carroll completed an emotional move back to boyhood club Newcastle.
The 30-year-old, a free agent following his release by West Ham at the end of last season, scored 31 goals in 80 league appearances for the Magpies before joining Liverpool for £35million in 2011.
Carroll’s career has been hampered by injuries since leaving St James’ Park and the Magpies were thought to have carefully examined his medical records before completing the one-year deal.
In other business on Tyneside, new boss Steve Bruce also signed Sweden full-back Emil Krafth from French side Amiens for a fee understood to be in the region of £5million.
Arsenal were set to pull off the surprise signing of David Luiz from Chelsea after agreeing a fee with their London rivals for the Brazilian defender.
The Gunners also landed highly-rated full-back Kieran Tierney on a long-term deal from Celtic.
Tottenham were also doing business and a season-long loan deal for Real Betis midfielder Giovani Lo Celso was completed, while the highly-rated Ryan Sessegnon moved from Fulham on a six-year deal.
Josh Onomah moved the other way.
Spurs had also been hoping to tie up a deal for Juventus’ Paulo Dybala, but the situation regarding the forward was proving more tricky owing to an issue with his naming rights.
Champions Manchester City signed former England goalkeeper Scott Carson, 33, on a year-long loan from Derby while Brighton secured the services of Huddersfield midfielder Aaron Mooy on a similar season-long deal, with Mooy also signing a new deal with his parent club.
Chelsea midfielder Danny Drinkwater moved to Burnley on loan but Everton looked to have failed to sign Manchester United’s Marcos Rojo.
Everton had also been linked with Arsenal’s Alex Iwobi and Crystal Palace’s Wilfried Zaha.
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The Paris Saint-Germain winger’s unrest at the French club is an open secret and a proposed return to La Liga is still on the cards. But he could be heading to the capital club, should PSG respond positively to Madrid’s opening bid.
Goal report that Florentino Perez is still a fan of the Brazilian and is willing to enter negotiations with an opening bid in excess of €100 million. There is a possibility that Ballon d’Or holder Luka Modric could be added in the deal.
Barcelona’s failure to sort out their wage structure by loaning out Philippe Coutinho has virtually eliminated them as possible suitors for Neymar. The Catalan side worked hard to get their record signing off their payroll in order to accommodate Neymar but are now reportedly behind their rivals in the race for the winger.
However, Madrid could also face complications in acquiring the player. To start with, it is unlikely that PSG will be willing to sell the player for less than €222 million, based on their response when Barcelona came knocking.
Also, it would take some convincing to buy the player who has his mind set on returning to Barcelona.