Milanese jockey Lanfranco ‘Frankie’ Dettori, 48, has been riding winners in Britain since 1987 and in 2016 reached the milestone of 3,000 winners in this country. Originally apprenticed to Luca Cumani, Dettori won the Apprentice Jockeys’ Championship in 1989 and in 1990 became the first teenager since Lester Piggott to ride over 100 winners – 141, to be precise – in a season. Four years later, in 1994,…