Norwich City have signed Norway midfielder Alexander Tettey from Rennes for an undisclosed fee.
A costly defensive mistake nearly saw Celtic suffer defeat, but a second-half equaliser from Joe Ledley ensured a share of the spoils in a 1-1 draw with Rennes in the UEFA Europa League.
Dijon were left reeling after their first Ligue 1 game since promotion, with Rennes visiting the Stade Gaston Gerard to hand out a 5-1 drubbing and provide a stark warning to what faces the newcomers.
Rennes are hoping their second Breton derby in as many weeks will deliver three more points in their push for the Ligue 1 summit.
After joining Rennes from Rosenborg, 23-year-old midfielder Alexander Tettey has compared himself to Chelsea player Michael Essien.
Rosenborg have secured a five-point gap at the top of the Norwegian Tippeligaen following a comfortable win at Bodo/Glimt.