With the Glasgow Derby less than four days away, it’s been a rather strange build-up to Rangers visiting Celtic Park with all the attention and headlines being taken up by transfer news. Celtic confirmed the signing of Alex Valle this morning and as the supporters greeted the news with a degree of happiness, the message they sent to the club was loud and clear. They want more. More new faces are needed to strengthen this Celtic team for the season ahead and it seems that that may happen over the coming days. With Arne Engels, Mateusz Bogusz and Auston Trusty seemingly high on Brendan Rodgers’ …