Liverpool Split: Natasha Jonas Edges Mikaela Mayer to Retain Welterweight Crown
Two-division world champion Natasha Jonas (15-2-1, 9 KOs) defended her IBF welterweight world title with a razor-thin split decision over former unified junior lightweight world champion Mikaela Mayer (19-2, 5 KOs) Saturday evening at M&S Bank Arena in Jonas' hometown of Liverpool, England.