Sorgi's agent, Matt Brei, said Sorgi will work out for Oakland on Tuesday.
Sources have told ESPN NFL Insider Adam Schefter that Leinart is likely to sign with the Raiders.
Leinart has a familiarity with Oakland's offensive system because new coordinator Greg Knapp was his quarterbacks coach in Houston. Leinart also has a relationship with Palmer, whom he backed up to start his college career at Southern California.
Information from The Associated Press was used in this report.