Roger Federer gives Andy Murray the secrets to a happy retirement after his Wimbledon career was brought to an end following Emma Raducanu's withdrawal from the mixed doubles
				
																	
								
				JOE BERNSTEIN: Federer, who went to see his great rival privately before the British legend's big Centre Court send-off last week, paid an emotional tribute to the 37-year-old.				
			
			
			
			
						
						
						
					
		