Rangers are keen on Bristol City’s FA Cup hero Tommy Conway but one former Scotland international believes that the Scottish Premiership giants would have to part with a fee in the region of £7 million. Tommy Conway needed only three minutes to give Bristol City the lead against West Ham United in the FA Cup third round, introducing his stylish finishing and dead-eyed composure to a far wider audience in the process. The Scotland under-21 striker has quietly and effectively gone about his business for The Robins over the last 18 months or so. But, after sending West Ham packing earlier this mo…