Super featherweight NABC champion Mikaela Mayer tests positive for coronavirus two days before fight posted on June 8, 2020Mayer was due to fight on Tuesday in Las Vegas, on the first boxing card in the United States since mid-March Mikaela Mayer, the female super featherweight NABC champion, tested positive …Continue Reading about Super featherweight NABC champion Mikaela Mayer tests positive for coronavirus two days before fight →