How many rounds did prime tyson loose from berbick to spinks ? .

How many rounds did tyson in his prime loose from berbick to spinks . I have tyson loosing a total of 5 rounds out of 50 . I had him loosing one round to thomas, the first round to biggs , rounds 1 and 3 to tucker and the first round to tubbs . How many rounds did tyson loose from bebick to spinks and name the rounds he lost to the fighter and say how many how many rounds you think he lost to each fighter and give me your total ? .