Been lots of good, albeit short-lived ones.
Here's a few that i remember:
Ronaldo - Zamorano
Ronaldo - Vieri
Baggio - Vieri
Recoba - Vieri
Crespo - Vieri
Adriano - Vieri
Recoba - Adriano
Adriano - Martins
Ibra - Adriano
Ibra - Crespo
Ibra - Cruz
and now
Milito - Eto'o
Ronaldo - Vieri was the...