There was a £100million reason why Newcastle United were able to keep Bruno Guimaraes this summer. It had been feared that Bruno Guimaraes would leave Newcastle United this summer. There was so much speculation over his future, with the likes of Manchester City, Arsenal and Paris Saint-Germain linked with signing the Brazil international. However, none of those clubs were able to take Bruno away from St James’ Park. That is because they were unwilling to activate his £100million release clause, which had been inserted when the 26-year-old signed a new contract with Newcastle last year. The rel…