A big-name omission from Warren Gatland's original squad, Kyle Sinckler has been called up to replace the injured Andrew Porter.
Morne Steyn sealed South Africa's win over the British and Irish Lions in 2009, and after a long absence, he is back in a Springboks squad.
Alterations have been made to the schedule for the tour of South Africa, with all matches played in either Gauteng or Cape Town.
Warren Gatland revealed he had a hard time making the decision to leave Johnny Sexton out of his British and Irish Lions squad.
Having played in nine consecutive British and Irish Lions Tests, Alun Wyn Jones will captain the team in South Africa this year.
Wales back George North said "heartbroken is an understatement" after knee ligament damage ruled him out of the Lions tour.
John Dawes won Five Nations Grand Slams as player and coach, and skippered the British Lions to a Test series triumph in New Zealand.
Rugby SA are in full support for the British and Irish Lions to tour South Africa in July and August, despite coronavirus complications.
South Africa's director of rugby Rassie Erasmus says the world champions are prepared to go to "option Z" to ensure they face the Lions.
The ongoing COVID-19 situation has led to uncertainty over whether the British and Irish Lions will travel as planned.