Donaire had dropped down two weight divisions to enter the tournament .
Burnett , who was a top seed , chose to fight former four - weight world champion Nonito Donaire ( 38 - 5 , 24 KOs ) in the quarter finals .
world champion had dropped down two weight divisions to enter the tournament .
Burnett , who was a top seed , chose to fight former four - weight world champion Nonito Donaire ( 38 - 5 , 24 KOs ) in the quarter finals .