Think you know the Saracens squad inside out? Reckon you can tell your Barritt from your Brits and your Fraser from your Farrell?
Then why not test your skills with our Wembley Mystery Guest competition and be in with a chance of winning a pair of tickets to catch Saracens v Harlequins at Wembley Stadium on Saturday 8th April!
To enter simply watch the video, work out who you think the mystery guest is and fill in your details here.
We’ll pick three correct answers at random and each winner will win a pair of tickets to this year’s Derby Day clash.