2021 · Mikaela Mayer's unanimous-decision victory over Maiva Hamadouche came via scores (100-90, 99-91, 98-92) that weren't necessarily indicative of how close the junior lightweight bout was in. 6 nov. 2021 · Mikaela Mayer shared a breathless battle with Maiva Hamadouche before the American emerged as the unified world champion with a unanimous decision win in Las Vegas.