In Man City's last pre-season friendly, they faced Hansi Flick's Barcelona team.
Pau Victor opened the scoring for the Spaniards before Nico O'Reilly equalised for Guardiola's side.
Pablo Torre then added a second deep into added time at the end of the first half for Barcelona.
With 30 minutes left to play, Jack Grealish scored a sublime goal to draw the sides level once again.
Many have questioned whether the Man City squad is now an ageing beast.
Lots of their most integral players are now advancing to their twilight years of their careers.
This evening’s game offer the opportunity, against a fellow Premier League rival, that they are more than ready for the forthcoming season.
Enzo Maresca led Leicester City to the Championship title last season.
That prompted the Chelsea hierarchy to make an approach for him.
The Blues’ hotseat seems a more dangerous place than the Iron Throne in the popular TV show and he must know that his employers are not ones to show patience with poor performances.
Man City are still looking for their first victory of their American tour, although in their most recent game they drew 2-2 with Barcelona.
That said, they then lost 4-1 on penalties in the match.
Aside from that, they have suffered defeats against Celtic and AC Milan on this tour.
Two Premier League giants go head-to-head this evening as Pep Guardiola’s side take on the club now managed by Enzo Maresca, his ex-assistant manager.
Despite constant talk of his departure, Ederson remains with Man City and the Brazilian keeper is expected to start between the sticks this evening.
Guardiola’s side are still missing a number of important players due to international commitments over the summer, with Kyle Walker, John Stones, Rodri, Phil Foden, Kevin De Bruyne, Benardo Silva and Julian Alvarez all among those unavailable.
Erling Haaland is with the squad and is expected to lead the line, while Jack Grealish, Oscar Bobb and James McAtee all expected to feature behind the Norwegian.
Chelsea have been busy in the transfer window, with Filip Jorgensen their latest arrival from Villarreal but their biggest signing has been Kiernan Dewsbury-Hall from Leicester City.
Jorgensen could make his full debut for the Blues after appearing as a half-time substitute against Club America.
Enzo Fernandez is back with the squad, featuring off the bench on Wednesday and is expected to feature as a substitute once again.