European form
The attacker has been in superb form for Senol Gunes’ side, as his impact in the second half of the season helped Besiktas win their second consecutive league title.
However, it is his form in the Europa League that will have impressed Rodgers the most if he does indeed look to sign Babel, as he scored three goals in six games against Lyon and a brace when facing Olympiakos.
That kind of form from out wide could be the key to pushing Celtic into the last 16 of the Champions League next season, after they were dumped out of the competition at the group stage earlier this season.