Saracens will appeal against what they described as "heavy-handed sanctions", insisting they are not guilty of any wrongdoing.
Premiership and European champions Saracens have been hit with huge sanctions for salary-cap breaches.
Makazole Mapimpi, Tendai Mtawarira, Lukhanyo Am and Herschel Jantjies are set to feature for the Barbarians at Twickenham.
Playmaker Beauden Barrett has suggested New Zealand should promote from within, hailing Ian Foster as a "very intelligent coach".
There were four All Blacks and as many Japan players in the Opta team of the Rugby World Cup, but no world champions.
Siya Kolisi captained South Africa to Rugby World Cup success on Saturday and Roger Federer was among the many to congratulate him.
A late Harry Williams try proved decisive as Exeter Chiefs came from 14 points behind to overcome Worcester Warriors.
A dream weekend for World Cup winners South Africa got even better at a World Rugby awards ceremony in Tokyo on Sunday.
Six of the top seven teams in the world rankings will start life with a new coach following the Rugby World Cup.
World Rugby chairman Bill Beaumont commended Japan for staging a tournament that "has changed the face of rugby forever".
After succumbing to a thrashing against Edinburgh in their previous match, Scarlets narrowly beat Cheetahs in Pro14.
The Rugby World Cup came to an end on Saturday and here we take a look back at the best Opta facts from the tournament in...
Saracens were on the brink of a second defeat in three Premiership games but they battled back to defeat London Irish.
South Africa were crowned world champions on Saturday, but their coach said he was ready to walk away as recently as last September.
England went from producing one of their best Rugby World Cup displays to one of their worst and coach Eddie Jones conceded a possible link.
"Rugby should be something that creates hope," said Rassie Erasmus, whose side embraced the privilege of inspiring South Africa's people.