Originally published at: https://www.rangersnews.uk/news/paul-hartley-identifies-key-to-rangers-beating-celtic/
Paul Hartley has spoken to the Scotsman, ahead of the upcoming Old Firm fixture. The two sides face off on Sunday, with Rangers looking to rein in their biggest rivals. Rangers will hope to have Scott Arfield back and fit. (Photo by Ian MacNicol/Getty Images) While the Gers haven’t won at Parkhead since 2010, there…