Halfback Cortez Ratima is also nursing a knee ligament blow, with the All Blacks calling over Noah Hotham as cover.
Parker’s inclusion changes the composition of the All Blacks bench, with Segner and Peter Lakai originally selected to attack the breakdown and continue the quest for speed.
Parker, surprisingly elevated over Wallace Sititi, is more noted for his size, height and defensive strengths.
All Blacks v Springboks line-ups
All Blacks: 1. Ethan de Groot, 2. Codie Taylor, 3. Tyrel Lomax, 4. Josh Lord, 5. Fabian Holland, 6. Tupou Vaa’i, 7. Luke Jacobson, 8. Ardie Savea (c), 9. Cam Roigard, 10. Ruben Love, 11. Josh Moorby, 12. Jordie Barrett, 13. Quinn Tupaea, 14. Will Jordan, 15. Damian McKenzie.
Bench: 16. Asafo Aumua, 17. George Bower, 18. Fletcher Newell, 19. Simon Parker, 20. Peter Lakai, 21. Kyle Preston, 22. Anton Lienert-Brown, 23. Leroy Carter.
Springboks: 1. Ox Nche, 2. Malcolm Marx, 3. Wilco Louw, 4. Eben Etzebeth, 5. Ruan Nortje, 6. Paul de Villiers, 7. Pieter-Steph du Toit (c), 8. Jasper Wiese, 9. Grant Williams, 10. Sacha Feinberg-Mngomezulu, 11. Kurt-Lee Arendse, 12. Damian de Allende, 13. Jesse Kriel, 14. Cheslin Kolbe, 15. Damian Willemse.
Bench: 16. Jan-Hendrik Wessels, 17. Gerhard Steenekamp, 18. Zachary Porthen, 19. Cobus Wiese, 20. Andre Esterhuizen, 21. Marco van Staden, 22. Cobus Reinach, 23. Manie Libbok.
Liam Napier is a Senior Sports Journalist and Rugby Correspondent for the New Zealand Herald. He is a co-host of the Rugby Direct podcast.
Listen to Elliott Smith’s live commentary on Newstalk ZB Sport and iHeartRadio, or join the Alternative Commentary Collective on iHeartRadio and Radio Hauraki.