The eternal debate: Ronaldo Nazário (R9) or Cristiano Ronaldo (CR7)? As a sports data analyst, I break down their careers through cold, hard numbers. While R9 dominated internationally with World Cup glory, CR7's club records are unparalleled. But trophies alone don't tell the full story - let's examine goals per minute, trophy conversion rates, and legacy impact to settle this football feud once and for all.