Network plans eight hours of news a day, programming VP Gary Wordlaw tells Urban Hollywood 411.
Whitney Davis worked at the company for 13 years.
Music artists, including The Game and Justin Bieber, have called for Fox News to fire her.
Host and reporter said goodbye after three years.
Morgan has been a correspondent for CBS News since 2015.
“We will stop support of all sponsors,” The Game wrote on Instagram.
Marshall accuses Nexstar of racial politics and trying to “undercut” its authority.
Former DNC interim chair joined the conservative network Monday.
“There’s an audience on Fox News that doesn’t hear enough from Democrats,” she says.
The Fox News host made the racist remarks in April 2008.