Home Mayer eyeing undisputed fight against Baumgardner-Choi winner Baumgardner is the WBC and IBO champion at 130lbs Photo Credit: Matthew Pover/Matchroom Boxing

Baumgardner is the WBC and IBO champion at 130lbs Photo Credit: Matthew Pover/Matchroom Boxing

Mikaela Mayer holds the WBO and IBF super featherweight titles Photo Credit: Mikey Williams / Top Rank via Getty Images

Baumgardner is the WBC and IBO champion at 130lbs Photo Credit: Matthew Pover/Matchroom Boxing

Mikaela Mayer holds the WBO and IBF super featherweight titles Photo Credit: Mikey Williams / Top Rank via Getty Images

Mayer became unified champion with victory over Hamadouche Photo Credit: Mikey Williams / Top Rank via Getty Images

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