Crossword clues for the word: BUSTERDOUGLAS The word BUSTERDOUGLAS has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for BUSTERDOUGLAS Showing 1 to 3 of 3 results Clue(s) 1990 winner over Mike Tyson He defeated Mike Tyson in 1990 Underdog who defeated Mike Tyson for the heavyweight boxing championship in 1990: 2 wds.