converting 2k12 headshapes to 2k11

i need help converting 2k12 headshapes to 2k11..i followed the blender tutorial in the forum but still having trouble...the eyes keeps popping out of the face in game..so if anyone is nice enough can you pls convert the headshapes of d. rose,lebron james and dwight howard to 2k11..thanks in advance..

it might not be possible

i think it is..just cant seem to figure it out..i took time last night trying to play with it more..i cant make it perfect though..here is a drose sample converted from 2k12 to 2k11...still having problems with the eyes..






eyes doesnt pop out anymore coz i move it more inside...but still i cant make it perfect..