"He's having a Messi and Ronaldo season," Carragher said on Sky Sports.
Sturridge added: "We're talking Ballon d'Or now. If we're not talking Ballon d'Or with Mohamed Salah then it's getting out of hand. We have to start putting him that conversation now and saying, I don't even know if he's had a top five vote or a top three vote yet."
Asked why Salah has not been in the running before, he added: "The history of the award, typically it goes to someone in La Liga."