Ahead of Saturday's Barbarians warm-up, Esterhuizen has been talking up the challenges and opportunities the match presents. On the opposition side, he's flagged the Baa-baas midfield as a genuine test — Nankivell's abrasive carrying and offload game combined with Vakatawa's physicality and experience making for what he calls a 'powerhouse' combination. On the Bok side, the bigger talking point is Quan Horn starting at flyhalf despite never having played the position professionally — Esterhuizen is publicly backing him, pointing to Horn's game-reading and the experienced players around him. He's also enthusiastic about the crop of uncapped players in the squad, framing the blend of youth and experience as a genuine two-way exchange rather than a mentorship dynamic. The piece reads as straightforward build-up content, but for those tracking Horn's utility-back development and the Nations Championship squad picture, Esterhuizen's comments carry some weight.