The 23-year-old's £35m transfer fee surpasses the previous world-record £32.6m paid by Juventus to Parma in 2001 to bring Gianluigi Buffon to Turin.
Pep Guardiola will resist a tactical shift at Manchester City this season, having backed his raft of big-money singings to fit last season's often stuttering gameplan.
While Mourinho has welcomed the new signings, he argues that of greater significance is the fact his team will not have their domestic fixture list disrupted by the Europa League this season.
"I love the man and the player". "I must tell you I opened the door for him at some stage (to leave) because it's important for him to play". It doesn't make an influence on me, maybe for others it does.
As the country's top football competition, the Premier League is essentially duty-bound to provide the England national football team with as large a talent pool to choose from as possible.
Sanchez, who has also been linked with Manchester City, has not played for Arsenal in pre-season after being granted extra time off after playing at the Confederations Cup with Chile.
"Every manager's nightmare is to lose players in the last 24 hours or on the day of the window (closing) and you can't get replacements in", Shakespeare told reporters of the August 31 transfer deadline day.
With Bernardo Silva added to the powerhouse attacking line-up available to Guardiola, the boss believes he is in a better place to execute his tactical plans in 2017-18, starting with Saturday's trip to newly promoted Brighton and Hove Albion.
"I just think that naturally, a manager in the second season knows the players and knows the club better".
"They'll be in the relegation battle from the start, but a bit like Burnley, a bit like Charlton going back a few years, they've kept the nucleus of the team together, they've got lads who want to make a name for themselves in the game", he said.
BDO says this suggests a more medium to long-term strategy from investors, recognising potential for future value growth in Football League clubs - something that may not be available in Premier League clubs where the impact of enhanced broadcasting rights may already be factored into valuations.
Brighton have broken their club transfer record twice in one week to draft in Davy Propper from PSV Eindhoven and Club Brugge's Jose Izquierdo, subject to medical and worldwide clearance.
The Premier League is back, and it's back with a bang.
We have never invested much in goalkeepers. We knew this at eight and nine, genuinely. "We go to sign and other clubs are always going to ask us for more".
Arsenal who started without their usual centre back pair of Laurent Koscielny and Per Mertasacker went into the lead after just 94 seconds through new signing Alexandre Lacazzette.
"You've got to be able to overcome those hard experiences that are going to come in this league".