Gutter Boy
Tim Sherwood
He is certainly very vocal on the pitch and a good speaker off the pitch. I don't see he has the qualities required though, in terms of inspiring his teammates when they are down or being cool under pressure. Also he has been quite poor for the last 18 months.
I think he's exhausted after 4 back-to-back seasons with 50+ games. He's probably featured more under Poch than anyone bar Lloris (Kane and Verts have had more injuries). There's obviously something there leadership wise that he has the trust of his coaches and peers.
Leadership isn't always something you can see from the outside of the group. Kane is clearly subordinate to Lloris (and seemingly content to be), but no one is really able to explain that dynamic