The great old warhorse of British boxing, who faces his 50th and final bout on Saturday, reflects on retirement, Deontay Wilder and his friendship with the Reform leader The great old warhorse of British boxing, who faces his 50th and final bout on Saturday, reflects on retirement, Deontay Wilder and his friendship with the Reform leader “N igel’s here,” Derek Chisora says as he gives me a nudge when we walk into a restaurant called Boisdale in Belgravia. The great old warhorse of British