John Cox could become the governor

Does John Cox has a real chance to beat Newsom to become the governor?

https://www.google.com/amp/s/www.sfgate.com/politics/amp/Newt-Gingrich-John-Cox-California-Governor-race-12814402.php

Former Speaker of the House and 2012 presidential candidate Newt Gingrich thinks that California could elect a Republican governor in 2018.