London: Manchester City`s Argentine full-back Pablo Zabaleta will be out of action for at least a month after injuring a knee in training, the club`s website (www.mcfc.co.uk) reported on Friday.
He could miss up to six games.
"It happened in training," Zabaleta confirmed. "It`s the first time in 12 years of senior football that I`ve ever been injured like this so it`s a blow, especially at the start of the season."
The injury leaves Bacary Sagna as City`s only senior right-back.
Left-back Gael Clichy and midfielder Fabian Delph returned to training this week, though it is not known if they will be considered for Sunday`s Premier League game at Everton.
City go into the weekend top of the table on goal difference after winning both their opening games 3-0.