With Erasmus and Rennie confirming their squads Thursday, Anthony Watson and Ben Youngs have offered a detailed breakdown of the fly-half question that will define both sides' World Cup trajectories. Youngs makes the statistical case that Feinberg-Mngomezulu is the sharper individual threat — 34 carries and 20 defenders beaten in the 2025 Rugby Championship versus Love's 14 and 9 in the Nations Championship — and frames SFM as the Boks' 'gold dust': the man who breaks games open where Pollard provides control. Watson is less convinced the gap is that wide, arguing Love's footwork and linebreak ability are legitimately comparable, just less evidenced at Test level. Both agree the All Blacks picture is more complicated: Mo'unga's return from Japan creates pressure on Love that SFM doesn't face from Pollard or Libbok in quite the same way, with Watson openly hoping Love holds off the Mo'unga wave rather than conceding the jersey by default. The broader framing — that the Greatest Rivalry series winner enters 2027 as World Cup favourites — gives the 10 debate genuine long-term stakes beyond this four-match series.