Saracens began its Premiership campaign in thrilling fashion by overcoming an early 17-0 deficit to beat Harlequins at the Twickenham Stoop.

When news broke early Thursday evening that Queen Elizabeth II had died, the world took pause, while media channels came to life.

Looking to get up to speed on what's ahead within the club rugby world? Here's a quick rundown of what to expect this year for the Heineken Champions Cup.