Allen is Stoke City's second summer signing, following the transfer of Ramadan Sobhi.
Manchester City are leading the race in signing Gabriel Jesus.
Mertesacker was part of their first pre-season game against Lens.
Georginio Wijnaldum confirmed interest from Everton before joining Liverpool.
Juventus take on Tottenham in the International Champions Cup in Melbourne, Australia.
La Liga giants have agreed to pay €35m plus €20m fee on add-ons.
It was initially believed that Ante Cacic's Croatia would visit Wembley in a friendly clash on 1 September.
Bruno Satin confirms both Premier League club want his client.
Midfielder-turned-coach and media pundit has been banned from driving for four years.
Reports suggested that the AFA was seeking to approach 44-year-old over his availability.
The 35-year-old has signed a one-year contract at Celtic Park to reunite with Brendan Rodgers.
Spurs boss also revealed that Marseille target Clinton Njie's omission from Australia trip was due to injury.
Jamie Vardy scored 24 goals for Leicester in the league last season.
The Reds have made six signings so far.
Manchester United finished fourth and fifth in the last two campaigns under LVG.
Former Sunderland manager also confirmed that Sammy Lee to join his backroom team.
Spain international confirms La Liga giants were also interested in his services.
Ben Chilwell has been offered fresh terms to remain at the King Power Stadium by Leicester City.
Christian Heidel says Rio 2016-bound midfielder is not for sale amid rumours the Reds are preparing a bid
Two forwards had emerged as the Catalans' top candidates to bolster their attack.
Guardiola biographer Martí Perarnau does not expect controversy between City boss and Jose Mourinho.
The Olympic champion from London has nation's hopes once again resting on her shoulders
First scheduled Manchester derby outside of England called off after 'recent weather events'
Alexis Sanchez suffered the ankle injury during Chile's triumphant Copa America Centenario campaign.
Wales international has reportedly agreed personal terms with the Potters.
Matic is top of Juventus manager's wishlist to replace Manchester United-bound Pogba.
Nabil Bentaleb will leave on loan while Pritchard will be allowed to go on a permanent basis.
Mertesacker believes it was a 'miracle' that Arsenal finished in the 2015/16 season.
Mourinho has already signed Eric Bailly from Villarreal, but is keen to add another centre-back.
Jose Mourinho and Pep Guardiola will see their sides face each other in China on 25 July.