Mayweather vs. McGregor start time, TV schedule

The Mayweather vs. McGregor start time, TV schedule for the Floyd Mayweather vs. Conor McGregor event at the T-Mobile Arena in Las Vegas, Nevada on Saturday night. The fight card is broken into two different parts, each airing on a different medium. This post will help explain which fights are airing where and at which times.
These two fights will start at 6 p.m. ET and will not be televised.
Kevin Newman vs. Antonio Hernandez (super middleweight)
Savannah Marshall vs. Sydney LeBlanc (super midd