RUGBY NEWS - Two-time champions Munster gave notice of their intent in this year's Champions Cup with a 30-5 hammering of French champions Castres at Thomond Park on Sunday.

Two JJ Hanrahan penalties was all Munster had to show from the first half but they stepped up a gear in the second half with tries from Rory Scannell, CJ Stander and Hanrahan.

Munster lead Pool Two with 11 points, two more than Gloucester.

Another double champion, Saracens, made it three wins from three when they launched an astonishing second-half revival to thrash Cardiff Blues 51-25.

Tries from Blaine Scully and Matthew Morgan gave the Welsh side a deserved 18-13 lead at the break.

Saracens hit back in the second half with Ben Earls crossing twice to put them ahead.

Sean Maitland also scored two tries and there were touchdowns for Ben Spencer and Christian Judge as Saracens added 39 points in the second half, picking up a bonus point in the process.

They top Pool Three with three wins from three.