How durable was Crocodile, without his logia?

[Warmmedown]

If Arabasta Zoro or Sanji figured out how to hit him, do you think they could've beat him? What if they teamed up (blasphemy)?
What about Johnny and Yosaku? Ninjin, pepper head and onion head?

 

[SSJ2]

Less durable than Don Krieg