Update, 11:15 p.m.: Abrams tells Big Head DC that the rumor is “not true.”

Original: Staffers are buzzing, but details still being sorted out regarding the 9 p.m. ET cable talk show host and former general manager of MSNBC. Other sources within the walls of MSNBC tell us they’d be shocked if Dan Abrams left the net, although we can confirm that the former Court TV star was more than peeved when he learned that Rosie O’Donnell was being considered as his on-air replacement behind his back earlier this year.