Joe Scarborough on MSNBC. MSNBC Joe Scarborough on Wednesday cautioned President-elect Donald Trump against picking close advisers with little foreign policy experience for top administration posts.

The "Morning Joe" host said that Trump should pick "very boring, very middle-of-the-road" officials to serve in foreign-facing administration posts such as secretary of defense, secretary of state, and director of the National Security Agency.

"You don't get rookies for that. You don't get ideologues for that," Scarborough said.

Former New York City Mayor Rudy Giuliani and former United Nations Ambassador John Bolton are both rumored to be potential picks for secretary of state — options that Scarborough warned would set off a media firestorm and damage relationships abroad.

"Abroad, you can't lurch to a John Bolton," Scarborough said.

"You think the Steve Bannon appointment got negative press? You think that's bad? Pick Rudy Giuliani as your secretary of state or John Bolton as your secretary of state, and watch everything melt down internationally."

Scarborough specifically singled out Giuliani, citing a New York Times article detailing large payments Giuliani took from the Qatari government as well as a group on the state department's terror watch list.

"After the Hillary Clinton debacle on paid speeches and foreign interests, how could Rudy Giuliani ever be secretary of state?" Scarborough said.

"Is [Trump] going to call him 'Crooked Rudy' now?"

Watch the clip below, via MSNBC: