Briton Natasha Jonas says she has to “fight the best” to cement her legacy, as she prepares to defend her IBF welterweight title against former unified super-featherweight champion Mikaela Mayer on Saturday in Liverpool.
READ MORE: ‘Jonas-Mayer can be Hagler-Hearns of women’s boxing’
Follow live text coverage and reaction of Jonas v Mayer on Saturday, 20 January from 21:00 GMT on BBC Sport website & app.
