The Belgium centre back has missed City's last four games after picking up a calf injury on worldwide duty.
"I think it's not serious, it's not eight months, but a little injury", Guardiola said after the West Brom game.
Club captain Vincent Kompany has not played since the win over Bournemouth in August but the Belgium global is available after overcoming a calf issue.
"Last season we started quite well like this season, but past year we were not good enough to fight against the best teams".
He added: "It's the Premier League and every single team can beat any of the others - that's the best expression I've learned since I've been here".
Aguero, 29, has scored six goals in six appearances this season, including a hat-trick against Watford last weekend.
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Trump said Thursday the USA will impose additional sanctions over the communist country's nuclear weapons buildup. Kuwait has also notified the North Korean ambassador to Kuwait City that he must go by the end of the month.
"Sakho was very good and I'd heard some positive things about him and I can understand why he's a favourite with the Selhurst fans".
Puncheon, 31, said: "We like playing against the top teams - I don't know why".
Yet Guardiola has urged his side to forget that, admitting that, despite their form, Roy Hodgson's outfit have impressed him with their performances. "I love the energy that he has and he has experience all over Europe".
"I have a lot of respect for them from what I have seen". I showed to my players all the chances they created in just two games.
"They will put a lot of long balls into the box and crosses but I admire Roy Hodgson, he has had a long career and that always deserves respect". Against Burnley, they created a lot of chances.