You can usually judge the quality of a player by the standard of clubs looking to sign him. That certainly rings true with a winger reportedly on the radar of Rangers, but one who looks destined to end up securing a big-money move to a club with a bit more money in the bank instead. According to reports coming out of Italy today, the ‘sirens’ are sounding in Europe. If Rangers‘ chances did not look slim already – the Ibrox-linked forward valued at the kind of fee that surely places him well beyond Philippe Clement’s reach at a reported £17 million – then interest from one of Spanish football’s…