"We just relax", Guardiola said. "I don't know what he ate but it will be on the menu for the next games".
City was without record scorer Sergio Aguero because of muscle fatigue - the striker was pictured drinking tea in a corporate box during the match - while manager Pep Guardiola started David Silva and Riyad Mahrez on the bench and rested defenders John Stones and Kyle Walker completely.
The Citizens continued their fine form and made it six consecutive victories in the league after goals from Bernardo Silva, Raheem Sterling and Ilkay Gundogan sealed the win after Callum Wilson had equalised for the Cherries.
Sterling had scored in each of his previous five fixtures against Bournemouth, including a hat-trick in October 2015, and he struck after 57 minutes at the Etihad Stadium to settle City's nerves.
The winger re-established City's one-goal lead in the second half during a 3-1 win over Bournemouth after smashing the post from range minutes earlier, while Leroy Sane caused havoc down the opposing flank to retain runner-up spot.
Crystal Palace won a league game for the first time since September 15 after a 2-0 home victory against Burnley.
And in his first full season, the highly-rated forward scored 17 goals in 42 games across all competitions as Pep found a rotational policy with Aguero that worked with aplomb as they romped to the Premier League title.
Jamie Vardy's 12th-minute penalty, after the striker himself was brought down, gave Leicester the lead.
Even a subdued display by an understrength lineup didn't stop Manchester City racking up another win in the English Premier League on Saturday (Sunday NZT).
But Guardiola says his star can not rest on his laurels and warned Premier League rivals that there is far more to come from the 23-year-old.
Pierre-Emerick Aubameyang (No 3) took centre stage in a pulsating north London derby, coolly slotting Arsenal ahead from 12 yards on 10 minutes and hitting a stunning second-half leveller before his side emerged 4-2 winners. However, the hosts were reduced to 10 men just after 32 minutes when Steve Mounie was sent off for a high challenge on Yves Bissouma.
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