Of course, the UEFA Champions' League while having the best players is also a cash-cow, it makes a lot of money for these clubs along with their domestic leagues when it comes to the big nations (Spain, England, Italy, Germany, etc). For sure the best players in history have come from South America, for goodness sake the two best players always compared as the 'Best Ever' are from there, Pele and Maradona. That's not to say Europe doesn't have it's greats, not even the biggest South American fan could doubt the abilities of Zidane, Figo or Bergkamp in their prime, for example.
P.S. Gunplay, I heard that move had collapsed but I thought he'd moved to a Moscow side in the CL, not Spartak. That's another example of money, players like Wagner Love, Matuzalem, Cavenaghi moving to Russia/Ukraine, hardly a footballing valhalla.