Champions League: Can Celtic win in Warsaw, will Napoli be too strong for the Rangers?

Both Scottish sides in the Champions League suffered opening day defeats with Scottish Champions Celtic going down 3-0 to European Champions Real Madrid at Celtic Park and theRangers losing 4-0 in Amsteram 24 hours later against Dutch champions Ajax.In the other matches in their group Shaktar Donetsk secured an unexpected 4-1 away win in Germany...