The Spaniard's team went top of the Premier League after beating Watford 6-0 at Vicarage Road on Saturday.
Talk ahead of this season was whether Sergio Aguero was being eased out at City, unthinkable though it was.
The Spaniard has many options at his disposal.
Harry Kane will cost a world-record fee.
Kingsley Coman has only just signed for the Bundesliga club.
The Arsenal goalkeeper spoke at length about the club's prospects as the season approaches its climax.
The midfielder injured a hamstring in Sunday's FA Cup defeat to Arsenal at Wembley.
Arsenal won the game 2-1 to advance to the final.
Manchester City required an equalizer from Sergio Aguero.
Aguero has been prolific over six years at City.
Guardiola has faced a difficult period in charge of City.
Guardiola's team faces a fight to make the top four.
Guardiola hates being in his comfort zone.
Guardiola knows he does not have unlimited time at Etihad Stadium.
The Chelsea manager described the possibility as a "joke."
City has not won at home in the Premier League since mid-September.
Sergio Aguero has a better hit rate.
Messi scored to put his side 1-0 up in the first half.
Manchester City plays Barcelona on Tuesday.
Guardiola has found the pace of football tougher than he imagined.
Aguero scored a hat-trick in the Champions League.
The Manchester City striker's father said he will retire if Messi does.
Can Sergio Aguero put the English club in its first Champions League final?
Real Madrid is keeping quiet after the star underwent fitness tests on Wednesday.