Manchester City boss Manuel Pellegrini has admitted that David Silva's several injury problems this season have made him reluctant to play the midfielder in back-to-back matches.
"David has had different injuries during the season, that's why I didn't want him to play two games that were very near," Pellegrini said.
"It was not only the ankle. He started with that and one or two weeks before the game against Everton he had a muscle injury that disturbed him a lot."
However, Pellegrini is hopeful Silva will be able to contribute to City's Premier League title charge.
"But now he is feeling better so I hope he will finish the season in his best performance," the Chilean boss added.
"Every day he is improving. Maybe he's not 100 percent but I hope that he will return soon to be absolutely fit."
City take on Everton in Wednesday's League Cup semi-final second leg, looking to overturn a 2-1 deficit from the first leg.