Saracens host Munster in a massive round 4 Champions Cup clash. Saracens lie third in pool 4 having picked up one win from their opening three matches. Munster sit second in the pool and are unbeaten, having recorded two victories and a draw. The sides met a week ago in round 3, with Munster edging Saracens 10-3 in an incredibly tight encounter. A titanic battle awaits between two of European rugby's powerhouses.