[3] He also started all three matches for a KwaZulu-Natal team that hosted the 2013 Under-18 Academy Week at Glenwood High School in Durban,[4] and at the Under-18 Craven Week – South Africa's premier rugby union tournament at high school level – held in Middelburg in 2014.
[18] Blewett's total of seven tries was the second-most by any player in the competition, behind team-mate Thobekani Buthelezi,[19] and helped UKZN Impi to second spot on the log.
[21] After the Varsity Shield, Blewett linked up with the Sharks XV squad that participated in the 2016 Currie Cup qualification series.
[24] He spent the rest of the season playing in the 2016 Under-21 Provincial Championship for the Sharks U21 team, where he scored six tries in six appearances to end as the joint-top try scorer in the competition.
Blewett moved to the United States to join Major League Rugby side New Orleans Gold on a two-year deal.