How many fights would have a different outcome had they been set for 15 rounds?

[outspoken]

All Oscar vs Tito vs Quartey vs Whitaker vs Mayweather vs Mosley I and II.
Mayweather vs JCC.
Hopkins vs Taylor

Chavez vs Mayweather? You know Mayweather was stopped twice in both fights?

My apologies. I meant to say JLC vs Mayweather Jr. Also how about MAB vs Morales.

Oh okay, good pick bro .. that was a close fight. I would have loved to have MAB vs Morales for 3 extra rounds! lol