Leinster left with room for improvement
            
        
            
        
        
        
            Leinster flanker Josh van der Flier delivered a man-of-the-match performance in his side’s 30-23 Guinness PRO12 win over Edinburgh at the RDS on Friday night, but admitted the table-toppers still have plenty of room for improvement.
        
        
        
        
            
                Rugby
                 • 16 Apr 16