Conversation so far:
When did Lou Albano start managing?
In 1970, fellow wrestler Bruno Sammartino mentioned to McMahon that Lou Albano, a mediocre wrestler who was nonetheless an entertaining speaker, might be better utilized as a manager.
Who did Lou Albano manage?
In 1970, fellow wrestler Bruno Sammartino mentioned to McMahon that Lou Albano, a mediocre wrestler who was nonetheless an entertaining speaker, might be better utilized as a manager. was the manager when Ivan Koloff ended Sammartino's seven-year reign as champion.

Question: What was special about him?
Self-contained rewrite: What was special about Lou Albano?