Ok here we go with the mad odds machine, Killersheep's take.....

Calzaghe = -1200 = 1/12
Manfredo = +550 = 11/2
Draw = +3500 = 35/1

- or -

Calzaghe = -1000 = 1/10
Kessler = +500 = 5/1
Draw = +3200 = 32/1

as you can see, either way, the result will be the same.