In addition to delivering a motivational speech to the SA U20s, Kolisi called on rugby supporters across the Eastern Cape to turn out in their numbers to support the tournament and the Junior Boks.
The clash between the Junior Boks and Los Pumitas kicks off at 16h10, following the tournament opener between New Zealand and Australia at 14h00. All three match days feature exciting double-header.
The Bok skipper, a double Rugby World Cup winner who hails from the Zwide township in Gqeberha, returned to South Africa following the Hollywoodbets Sharks' United Rugby Championship clash with Edinburgh in Scotland on Friday night, where he made his 50th appearance for the Durban-based franchise.
The talismanic loose forward shared personal insights with the SA U20 squad, recalling his own time as a Junior Bok. Growing up in Zwide township, Kolisi was spotted playing club rugby as a youngster and was then recruited to attend Grey High School.
His professional journey has taken him through the ranks of Western Province and the Stormers, Racing-29 in France, the Sharks. Kolisi made his Springbok debut in 2013, and said that it was a significant privilege to present the match-day jerseys to Riley Norton and his team.
"My journey with the national team started with the SA U18s and, at one time, I too sat in those chairs with the Junior Boks," said Kolisi.
"Rugby is a fantastic platform to express yourself, so go out and enjoy the experience.
"I am from this area, so I will be there, along with many of my friends from Zwide. The Eastern Cape is a passionate rugby province, and we are all excited to host the tournament here for another year. We are looking forward to seeing you play, and we wish you the best of luck for tomorrow against Argentina."
Norton thanked Kolisi for his support: "It's incredible that you played on Friday and were here by 10am on Sunday to present us with our jerseys. You and the Springboks are an inspiration to all of us, and we hope to make you proud with our effort on Monday afternoon."
Junior Springbok coach Kevin Foote was a satisfied man after his side's 48-21 win over Argentina in their U20 Rugby Championship opener at Nelson Mandela Bay Stadium on Monday.
The Junior Springboks made a strong start to the U20 Rugby Championship with a 48-21 bonus-point victory against Argentina at the at the Nelson Mandela Bay Stadium in Gqeberha on Monday.
JP Pietersen has made a number of injury-enforced changes ahead of the Sharks' United Rugby Championship clash with Edinburgh on Friday night.
The Junior Boks have been forced into an injury change ahead of the Under-20 Rugby Championship, with hooker Siphosethu Mnebelele replaced by Mahle Sithole for the tournament starting on 27 April.
