Yobo, a £3.5million signing from Marseille seven years ago, has fallen down the pecking order at Goodison Park and mostly been restricted to a place on the bench since the second half of last season.
Moyes did not comment on the possibility Yobo could leave but claimed there have been no overtures from Parkhead. Moyes said: "There has been no contact from Celtic directly to me. If there is anything out there I have not heard it directly."
Source: PA
