Arsenal MUST eradicate ill-discipline if they are to get title bid back on track after William Saliba's sending off cost Gunners in Bournemouth defeat, writes ISAAN KHAN
				
																	
								
				ISAAN KHAN: Saliba's sending off for denying a clear goalscoring opportunity - he tugged back Evanilson, who was chasing an awful Trossard back pass - continues a trend of ill-discipline.				
			
			
			
			
						
						
						
					
		