| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 17-Aug-2018 |  Ruan Nortje | Blue Bulls | South Africa | 25-Jul-1998 | 20(23) |
| 13-Oct-2018 | Zak Burger | Griquas | South Africa | 20-Aug-1998 | 20(54) |
| 12-Oct-2018 | Morgan Naude | Pumas | South Africa | 11-Aug-1998 | 20(62) |
| 24-Aug-2018 | Manuel Rass | Golden Lions | South Africa | 19-Apr-1998 | 20(127) |
| 13-Oct-2018 | Damian Willemse | Western Province | South Africa | 07-May-1998 | 20(159) |
| 25-Aug-2018 | Salmaan Moerat | Western Province | South Africa | 06-Mar-1998 | 20(172) |
| 12-Oct-2018 | Wandisile Simelane | Golden Lions | South Africa | 21-Mar-1998 | 20(205) |
| 07-Sep-2018 | Aphelele Fassi | Natal Sharks | South Africa | 23-Jan-1998 | 20(227) |
| 25-Aug-2018 | Hendre Stassen | Blue Bulls | South Africa | 29-Dec-1997 | 20(239) |
| 25-Aug-2018 | Juarno Augustus | Western Province | South Africa | 09-Dec-1997 | 20(259) |
| 17-Aug-2018 | Ruben van Heerden | Blue Bulls | South Africa | 27-Oct-1997 | 20(294) |
| 24-Aug-2018 | Hacjivah Dayimani | Golden Lions | South Africa | 23-Sep-1997 | 20(335) |
| 31-Aug-2018 | Ernst van Rhyn | Western Province | South Africa | 19-Sep-1997 | 20(346) |
| 17-Aug-2018 | Immanuel Libbok | Blue Bulls | South Africa | 15-Jul-1997 | 21(33) |
| 25-Aug-2018 | Curwin Bosch | Natal Sharks | South Africa | 25-Jun-1997 | 21(61) |
| 24-Aug-2018 | Len Massyn | Golden Lions | South Africa | 21-May-1997 | 21(95) |
| 08-Sep-2018 | Michael Tambwe | Golden Lions | South Africa | 12-May-1997 | 21(119) |
| 17-Aug-2018 | Benhard Janse van Rensburg | Free State Cheetahs | South Africa | 14-Jan-1997 | 21(215) |
| 17-Aug-2018 | Junior Pokomela | Free State Cheetahs | South Africa | 10-Dec-1996 | 21(250) |
| 18-Aug-2018 | Nicolaas Oosthuizen | Griquas | South Africa | 21-Nov-1996 | 21(270) |
| 24-Aug-2018 | James Venter | Golden Lions | South Africa | 21-Aug-1996 | 22(3) |
| 17-Aug-2018 | JT Jackson | Blue Bulls | South Africa | 10-Jul-1996 | 22(38) |
| 24-Aug-2018 | Rhyno Herbst | Golden Lions | South Africa | 05-Jul-1996 | 22(50) |
| 01-Sep-2018 | Louis Conradie | Free State Cheetahs | South Africa | 11-Jun-1996 | 22(82) |
| 25-Aug-2018 | Michael Kumbirai | Western Province | South Africa | 09-May-1996 | 22(108) |
| 29-Sep-2018 | Jaco Coetzee | Western Province | South Africa | 10-Jun-1996 | 22(111) |
| 17-Aug-2018 | Divan Rossouw | Blue Bulls | South Africa | 12-Mar-1996 | 22(158) |
| 08-Sep-2018 | Franco Naude | Blue Bulls | South Africa | 28-Mar-1996 | 22(164) |
| 13-Oct-2018 | Hershel Jantjies | Western Province | South Africa | 22-Apr-1996 | 22(174) |
| 25-Aug-2018 | Tyler Paul | Natal Sharks | South Africa | 20-Jan-1996 | 22(218) |
| 01-Sep-2018 | Eli Snyman | Blue Bulls | South Africa | 25-Jan-1996 | 22(220) |
| 25-Aug-2018 | Jeremy Ward | Natal Sharks | South Africa | 10-Jan-1996 | 22(228) |
| 14-Sep-2018 | Morne Joubert | Pumas | South Africa | 19-Jan-1996 | 22(239) |
| 13-Oct-2018 | Sibusiso Nkosi | Natal Sharks | South Africa | 21-Jan-1996 | 22(266) |
| 07-Sep-2018 | Luke Stringer | Natal Sharks | South Africa | 12-Dec-1995 | 22(270) |
| 17-Aug-2018 | Joseph Dweba | Free State Cheetahs | South Africa | 25-Oct-1995 | 22(297) |
| 25-Aug-2018 | Marius Louw | Natal Sharks | South Africa | 24-Oct-1995 | 22(306) |
| 25-Aug-2018 | Jasper Wiese | Free State Cheetahs | South Africa | 21-Oct-1995 | 22(309) |
| 17-Aug-2018 | Hanro Liebenberg | Blue Bulls | South Africa | 10-Oct-1995 | 22(312) |
| 17-Aug-2018 | Conraad van Vuuren | Blue Bulls | South Africa | 04-Sep-1995 | 22(348) |
| 25-Aug-2018 | Gunther Janse van Vuuren | Free State Cheetahs | South Africa | 24-Aug-1995 | 23(1) |
| 17-Aug-2018 | Sibahle Maxwane | Free State Cheetahs | South Africa | 14-Aug-1995 | 23(3) |
| 25-Aug-2018 | Daniel du Preez | Natal Sharks | South Africa | 05-Aug-1995 | 23(20) |
| 17-Aug-2018 | Ox Nche | Free State Cheetahs | South Africa | 23-Jul-1995 | 23(25) |
| 17-Aug-2018 | Malcolm Jaer | Free State Cheetahs | South Africa | 29-Jun-1995 | 23(49) |
| 13-Oct-2018 | Marco van Staden | Blue Bulls | South Africa | 25-Aug-1995 | 23(49) |
| 25-Aug-2018 | Hyron Andrews | Natal Sharks | South Africa | 06-Jul-1995 | 23(50) |
| 18-Aug-2018 | Godfrey Ramaboea | Griquas | South Africa | 18-Jun-1995 | 23(61) |
| 24-Aug-2018 | Shaun Reynolds | Golden Lions | South Africa | 15-Jun-1995 | 23(70) |
| 14-Sep-2018 | Ivan van Zyl | Blue Bulls | South Africa | 30-Jun-1995 | 23(76) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).