I have to fight best to cement legacy - Jonas
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.
![I have to fight best to cement legacy - Jonas](https://ichef.bbci.co.uk/news/1024/cpsprodpb/6F78/production/_132363582_p0h5t5s8.jpg)