The 30-year-old established himself as one of the Premier League's top strikers following his arrival from Atletico Madrid in 2011, but Guardiola demanded he do more work for the team shortly after taking over two years ago.
City announced the contract extension on Friday.
After a disappointing World Cup with Brazil, Jesus has just one City goal to his name this season and was replaced by Aguero after 63 minutes in their surprise 2-1 Champions League defeat to Lyon on Wednesday.
Guardiola could also start Leroy Sane, who suffered an ankle injury in last season's FA Cup win over Cardiff after a awful tackle from Joe Bennett. "I don't know if he will finish his career here, I don't what's happening in three years, but it's nice to count on him". If we are slow we'll have more contact with opponents. "I think I will be back for the derby".
"I am happy for this additional year", Aguero told CityTV. "This was the main reason I signed". I'm very happy about everything that involves the Club, my teammates, the staff and the management team.
Ronaldo red-carded, but Juventus win, Bale on target for Real Madrid
What if he really was struggling to adjust at 33 years old? "We proved to be a very united team", he said. Ronaldo's former club, champions Real Madrid beat Roma 3-0.
Meghan Markle To Release Cookbook In Support Of Fire Victims
And he adds: "Have you bumped into the Queen yet?" In the ITV video, Meghan wore a huge smile as she looked her gorgeous Givenchy gown up and down.
Browns Top Jets For 1st Win Since 2016
Cleveland passed on taking Darnold in the draft and instead chose Mayfield, the Heisman Trophy victor from Oklahoma. Jackson could also be faced with a hard choice - either stick with Mayfield or go back to Taylor when he's healthy.
Manchester police said they had opened a hate crime investigation into the incident.
Director of Football Txiki Begiristain added: "We are delighted that Sergio is extending his stay at Manchester City". "At the same time, the youngsters are quite developed already, like Leroy, Raheem, Bernardo [Silva] and Gabriel". "Thank you so much (to him) for that".
"There are a lot of players that have got things to improve and learn, but being in this club, you learn and improve faster than anywhere else".
"He decided. Players like him and like [Vincent] Kompany and [David] Silva show their commitment to the club every day and it's a very good thing".