Munster know a win is a must away to Saracens in the European Champions Cup this afternoon.

Anthony Foley's men go into the game three points behind their opponents in pool 1 and four off leaders Clermont.

Kick off at Allianz Park is 1pm.

Ulster are away to reigning European champions Toulon in pool 3 at 3:15pm.

While Leinster host Castres at the RDS at 5:30pm this evening in pool 2.

Leinster start the day level on points with pool leaders Harlequins.