Ryan Fredericks becomes English football’s first concussion substitute as defender replaces Issa Diop in West Ham’s FA Cup tie against Manchester United Post navigation Luke Shaw opens up to Gary Lineker on the ‘very hard time’ he had under Jose Mourinho – and insists Solskjaer’s ‘man management is second to none’ as he enjoys his best season at Manchester United ‘Of course it can happen to us’: Pep Guardiola refuses to crown his Man City Premier League champions and insists losing run like Liverpool’s could also happen to his side