Valentina Shevchenko: Cris Cyborg will finish Amanda Nunes in third or fourth round

LOS ANGELES — The UFC’s last two champion vs. champion fights have been bad news for the titleholder from the higher weight class.
First, then-featherweight champion Conor McGregor scored a second-round TKO of Eddie Alvarez to claim the lightweight belt at UFC 205 back in 2016. Then, light heavyweight kingpin Daniel Cormier did McGregor one better by going up to heavyweight and defeating champion Stipe Miocic in the opening stanza at UFC 226 in July.
But as far as Valentina Shevchen