Arteta had demanded a dynamic display from his team ahead of their trip to the Jose Alvalade stadium and they responded in style.
"We concede a lot of goals because we are not stable," complained Guardiola.
The veteran striker slotted home from the spot in the 10th minute to fire the Catalans ahead and reach his milestone, adding a second late on after Dani Olmo's goal to inflict the French side's first defeat.
Inter Miami have appointed former Argentina midfielder Javier Mascherano as their new head coach, the Major League Soccer club said on Tuesday.
Liverpool manager Arne Slot said speculation over Mohamed Salah's future at Anfield is fuelling the Egyptian's fine form ahead of a "special" week for the Reds.
Six men linked to France midfielder Paul Pogba, including one of his brothers, went on trial in Paris on Tuesday accused of blackmail, attempted extortion of millions of euros and holding the player at gunpoint.
Harry Kane will be the dangerman against PSG as the English striker will be looking to add to the 20 goals he has scored in all competitions this season. His hattrick on the weekend against Augsburg saw him become the fastest to 50 Bundesliga goals
Al Nassr captain Ronaldo had looked destined to endure a hugely frustrating game following a series of missed opportunities in the first half at Al Bayt Stadium.
Australia-based forward Arham Islam was included in Bangladesh’s final 23-member squad for the qualifying round of the AFC U-17 Asian Cup, starting on October 19 in Cambodia.
Brazil enjoyed a thumping 4-0 win over Peru in a 2026 World Cup qualifier on Tuesday to build on the momentum from last week's come-from-behind win in Chile but head coach Dorival Junior said his side remain very much a work in progress.
Lionel Scaloni has been witness to many of Lionel Messi's magical moments over the course of his career but the Argentina manager said on Tuesday that even at the age of 37 his captain continues to amaze him.
"I am very proud to have been given the honour of leading the England team," Tuchel said in a FA statement.
Alex Ferguson is leaving his reported £2 million-a-year ($2.6m) ambassador role with Manchester United at the end of the season as part of a cost-cutting exercise.
Thomas Tuchel is set to be named England's new manager after agreeing a deal with the Football Association (FA), multiple British and German media outlets reported on Tuesday.
Building on last week's 2-1 comeback win in Chile, Brazil looked livelier from the start and dominated possession, with late goals from Andreas Pereira and Luiz Henrique putting the gloss on an impressive performance.
Making only his second international appearance since recovering from an injury sustained at the Copa America in July, Messi capitalised on a mistake by defender Marcelo Suarez to open the scoring in the 19th minute.
Spain, who are also the reigning Nations League champions, became the second team to clinch a quarter-final spot as they followed in the footsteps of Germany by moving to 10 points from a possible 12 in Group A4.
Kylian Mbappe is hoping his recent move to Real Madrid will take his already glittering career on the pitch to new heights, but the French superstar has become embroiled in off-field difficulties in recent months.