Derek Chisora ‘wouldn’t change anything’ as curtain comes down on career

British heavyweight Derek Chisora would not change anything about his eventful career ahead of his 50th and final fight on Saturday night against Deontay Wilder at O2 Arena. Zimbabwe-born Chisora (36-13, 23KOs) will bring the curtain down on a 19-year run in the professional ranks where he has produ