Josemaría/González come in as the more established title-pair with higher baseline consistency in closing big points, while Sánchez/Ustero project more volatility: high-ceiling aggression but greater swinginess under pressure. In Miami’s typically warm, lively conditions, speed through the court rewards first-strike offense, yet it also magnifies unforced-error runs. Slight edge to Josemaría/González in two tight sets unless Sánchez/Ustero dominate the net early and sustain it.