- Tag results for English Premier League
With the bulk of his Premier League title-winning squad enjoying an extended break after their exertions at the World Cup, it was a vastly inexperienced side sent out by Pep Guardiola.
Sarri has vowed to bring flowing football to Chelsea, and that's music to the ears of Spanish international midfielder Cesc Fabregas.
Conte was made to wait 55 days after Chelsea's FA Cup final win over Manchester United before he was axed.
First team stars including Kevin De Bruyne, Sergio Aguero, Vincent Kompany have not made the journey to compete in the annual International Champions Cup pre-season tournament.
The English Premiership giants pulled level 12 minutes from time after a cross from youngster Tahith Chong found Ander Herrera, whose header hit the post and the ball rebounded to Mata.
As coach, Zola has managed West Ham, Watford and Birmingham City who he left in April 2017 with the team just above the relegation zone.
Chelsea named Sarri as their new head coach on a three-year term earlier on Saturday, a day after parting ways with another Italian manager Antonio Conte.
Vestergaard is the fourth signing by Saints boss Mark Hughes in the close season and will it is hoped become as assured a figure as van Dijk was.
Conte leaves with the best win percentage 65.1% of any of Chelsea's managers in the Premier League era.
Sarri has been favourite to succeed his compatriot after impressing as manager of Serie A side Napoli, who have replaced him with former Chelsea handler Carlo Ancelotti.
Guendouzi, who began his career in the youth system at Paris Saint Germain before moving to Lorient in 2014, told Arsenal's website for him the move is a dream come true.
Yarmolenko, who spent the majority of his career at Ukrainian side Dynamo Kiev, said he is looking forward to the challenge of playing in the Premier League.
Sarri won plaudits for the expansive passing football his Napoli team played in the three seasons he was in charge, but he failed to halt Juventus' dominance of Serie A.
Arsenal midfielder Jack Wilshere joins West Ham on free transfer, feels 'special bond' with new club
Wilshere -- whose contract ran out at the end of June -- decided to look for a new club when new Gunners manager Unai Emery told him he would not be a first choice next season.
Rooney departed with the best wishes of his former club, the same Everton club where he began his career at age 16 in 2002.