Chelsea boss Jose Mourinho says new signing Juan Cuadrado will only show his true potential next season for the Blues.
The 26-year-old was a winter transfer market signing for Chelsea, joining from Fiorentina for a fee which could rise to £26.8m.
And the Portuguese believes that the Colombian needs months to settle down in the English Premier League.
"He is selected [for the Everton game]," Mourinho said.
"I know if he will start or not [tonight] but I won't say.
"It's normal, step by step, to be integrated. He needs time. I know Italy and I know the difference between Italy and England.
"His formation, his development, his experience – everything was in Italy.
"I wasn't expecting him to come on to the pitch against Aston Villa and destroy them. Stability, time, integration – I think we will see the best Cuadrado next year."
