Home Taylor, Serrano, Marshall: The top five female fighters of 2021 Savannah Marshall has defended her WBO middleweight title twice this year Photo Credit: Dave Thompson/Matchroom Boxing

Savannah Marshall has defended her WBO middleweight title twice this year Photo Credit: Dave Thompson/Matchroom Boxing

Savannah Marshall has defended her WBO middleweight title twice this year Photo Credit: Dave Thompson/Matchroom Boxing

Savannah Marshall has defended her WBO middleweight title twice this year Photo Credit: Dave Thompson/Matchroom Boxing

Serrano swept past Miriam Gutierrez earlier this month Photo Credit: Amanda Westcott/SHOWTIME

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