Complex sentence: He is one of only a handful of boxers whose careers spanned four decades; his final record was an astonishing 185 wins, 23 losses, 11 draws and 1 no contest, with 131 official knockouts.
Split into simpler sentences: He is one of only a handful of boxers whose careers spanned four decades. His final record was an astonishing 185 wins, 23 losses, 11 draws and 1 no contest, with 131 official knockouts.