Shantel Jackson: ex-fiancee of Floyd Mayweather jnr looks on as her attorney Gloria Allred holds up a photograph of the couple after announcing a lawsuit against the boxer for battery, assault, invasion of privacy, defamation and false imprisonment. Photograph: Kevork Djansezian/Getty Images

As preparation for his rematch with Marcos Maidana at the MGM Grand in Las Vegas on Saturday night, Floyd Mayweather jnr has been practising a very pe(...)