Tuchel was speaking to the media ahead of England's warm-up match against Costa Rica on Wednesday.
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Real submitted a bid of €150 million on Tuesday, which was rejected by their Madrid rivals.
After days of speculation, the La Liga giants have addressed Perez's claims.
A stroke of genius from Andrea Berta, and it could have a huge impact on Arsenal's Premier League title defence.
Andoni Iraola is looking to bolster Liverpool's squad ahead of his first season on Merseyside.
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Football
Manchester City are expected to have a significant squad overhaul this summer with plenty of outgoings.
Amorim is being linked with a return to the Premier League just five months after his Man Utd sacking.
Omar Artan was turned away by US Customs and Border Protection (CBP) due to “vetting concerns".
Mikel Arteta is keen to bolster his squad ahead of his side's Premier League title defence, and this would be a huge coup.
Boxing
Anthony Joshua demolished Jake Paul in their Miami superfight back in December.
Joshua will face Kristian Prenga in Battle of Britain warm-up in July
Boxing chief Hearn wants British fighter Aspinall freed up from his UFC deal
Bare-knuckle boxer immediately retires after suffering horrific injury in Conor McGregor's promotion
The bare-knuckle superstar suffered a graphic injury that is one of the worst ever seen in the ring.
Formula 1
Willoughby and McIntyre were caught up in Kardashian's arrival to the Monaco grid on race day.
Charles Leclerc crashed late into the Monaco Grand Prix while on course for a third place finish.
Holly Willoughby and Michael McIntyre were caught up in a 'wave' on the Monaco Grand Prix grid as the Kardashians arrived.
Kim Kardashian was in attendance at the Monaco Grand Prix, watching her rumoured other half Lewis Hamilton on the track.
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