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Boks hand debut to 21-year-old prop as three World Cup winners make returns

South Africa's Springboks Lood de Jager (L) and RG Snyman react during the team's captain's run at Sky Stadium in Wellington on September 12, 2025, ahead of their Rugby Championship Test match against New Zealand's All Blacks. (Photo by Grant Down / AFP)

The Stormers’ 21-year-old tighthead prop Zachary Porthen will make his debut on Saturday when the Springboks take on Japan at Wembley Stadium.

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Porthen will join what is otherwise a settled Springboks side for the clash against Eddie Jones’ side, with Rassie Erasmus selecting 16 players from the Rugby Championship-sealing victory over Argentina.

The side have received a further boost, with World Cup winners Kurt-Lee Arendse, Franco Mostert and Lood de Jager returning after missing the final rounds of the Championship.

De Jager will start in the second-row with Mostert in the back-row, while Arendse will take his place on the wing.

Wilco Louw will provide back-up for Porthen from the bench.

Fixture
Internationals
South Africa
61 - 7
Full-time
Japan
All Stats and Data

“He proved at Vodacom United Rugby Championship level and with the Junior Springboks what he can do, and we are looking forward to seeing what he can offer in his first Test match,” Erasmus said of Porthen.

“Obviously, he has a lot to learn this week, but we have experienced players in the squad who have been helping and guiding him, and we believe this is the right match to give him an opportunity to prove what he can do.

“At this level, you have to sink or swim, so although it will be a challenging week for him to learn our structures, it will also be a very exciting week for him.”

Springbok XV
15 Cheslin Kolbe (Tokyo Sungoliath) – 46 caps, 126 points (21t, 3c, 5p)
14 Ethan Hooker (Hollywoodbets Sharks) – 5 caps, 0 points
13 Jesse Kriel (Canon Eagles) – 84 caps, 95 points (19t)
12 Damian de Allende (Wild Knights) – 93 caps, 55 points (11t)
11 Kurt-Lee Arendse (Vodacom Bulls) – 27 caps, 105 points (21t)
10 Sacha Feinberg-Mngomezulu (DHL Stormers) – 15 caps, 104 points (3t, 28c, 11p)
9 Cobus Reinach (DHL Stormers) – 46 caps, 85 pts (17t)
8 Jasper Wiese (Urayasu D-Rocks) – 39 caps, 10 points (2t)
7 Franco Mostert (Honda Heat) – 81 caps, 20 points (4t)
6 Siya Kolisi (captain, Hollywoodbets Sharks) – 98 caps, 65 points (13t)
5 Lood de Jager (Wild Knights) – 71 caps, 25 points (5t)
4 RG Snyman (Leinster) – 46 caps, 15 points (3t)
3 Zachary Porthen (DHL Stormers) – uncapped
2 Malcolm Marx (Kubota Spears) – 84 caps, 135 pts (27t)
1 Ox Nche (Hollywoodbets Sharks) – 46 caps, 0 pts

Replacements
16 Johan Grobbelaar (Vodacom Bulls) – 3 caps, 0 points
17 Gerhard Steenekamp (Vodacom Bulls) – 11 caps, 5 points (1t)
18 Wilco Louw (Vodacom Bulls) – 24 caps, 0 pts
19 Ruan Nortje (Vodacom Bulls) – 13 caps, 0 pts
20 Andre Esterhuizen (Hollywoodbets Sharks) – 24 caps, 10 pts (2t)
21 Kwagga Smith (Shizuoka Blue Revs) – 59 caps, 55 points (11t)
22 Grant Williams (Hollywoodbets Sharks) – 24 caps, 25 pts (5t)
23 Manie Libbok (Kintetsu Liners) – 24 caps, 133 pts (2t, 42c, 13p)

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Chris929 2 hours ago
Why the PWR this February is going to be box-office

There are only 9 PWR sides and 1 of those(leicester) is a way off the other teams. Once you take out the current 35-40 england internationals, a few players that have previously been capped or no longer being picked(Sarah beckett,poppy cleall,sophie bridger etc) then you include the huge number of internationals from wales,scotland,ireland,spain,south africa, canada,usa, new zealand-there clearly is not much space for young up and coming players or late developers.Thats the main difference between now and when the current red roses broke through-that group got opportunities to play young and develop-now its much harder. you literally have to be international quality to get a game for the top sides. Where does that leave the youngsters? You wont develop not playing or playing lower level rugby in the champ or in bucs. players do need to be exposed to the highest level regularly to develop.Of course you will still get a few great youngsters-like sarah parry or haneala lutui breaking through but they more the exception.

I dont see what changes when these players finish uni and bucs-they still going to have a canadian international,a scottish international,a black fern blocking their path to the first team. Now we have so many non english in the league the amount of english players coming through is simply going to be far less than years ago. You look around the league and there are hardly many english players right now knocking on the red roses door are there? where are the next generation? they should be already playing in the league but only a few are. Wheres the next great young scrum half? hooker? fullback?



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