Nottingham Forest defender Scott McKenna has previously revealed he grew up a Celtic fan as links to Rangers continue in the press. Both sides of the Old Firm have been linked with a move for Scotland international centre-back McKenna, 27, who finds himself out of favour at the City Ground. With Celtic having already ruled themselves out of the running to journalists, Rangers are the Scottish club who now look most likely to sign the ex-Aberdeen star. But comments Scott McKenna made about his Celtic fan father might be of interest to Rangers supporters as the transfer reports continue this Jan…