According to PWInsider.com, WWE Hall of Famer Ric Flair is also backstage at Raw, and will be appearing on the show tonight.
Flair is expected to appear in a segment to hype the Fastlane PPV, and he will likely be talking to Triple H about Sting. The current plan is for Flair to bring up his own history with Sting and warn Triple H not to take him lightly.
As previously announced, Dusty Rhodes is another WWE Hall of Fame name scheduled to appear on Raw tonight.