Apparently, they made no secret of their loyalty. According to Breitbart.com, msm reporters who attended Hillary Clinton's speech saying she was going to have no more secrets from the media gave her a standing ovation. See Reports: MSM Reporters Give Hillary Clinton Standing Ovation after She Takes No Questions, Jokes about Email Scandal.
Do they love her? Probably not. More likely they just feel protective of her because of all the sexism and hostility they expect from Republicans. Now if you put Elizabeth Warren in her place, then we would see some real love.