Well if I'm allowed to get a little analytical here having the best possible attributes in each category would NOT make the best fighter in the world.

It's just like those photo's that mix and match the sexiest women by bodypart and form the 'perfect' woman that always ends up looking ghastly.

For a fighter to be truly great he has to be not necessarily great in every area but rather all of his areas need to be harmonious with each other.

For example how could a fighter possibly be successful if he tried to mix Juan Diaz's workrate with Winky's defense? How could Juan throw 1000 punches a fight if he was hiding behind his jab all the time?

How can a fighter have an offensive arsenal like Pacqiuo or Valero but the tactics of B Hop?

Likewise if you have Wladimir's jab but Floyd's boxing style what use is your jab?

If you truly could create a fighter that blended all these elements together he'd probably be really inconsistent and beatable as a result. How could he possibly develop a style when each area contradict's the others?