Conversation so far:
What was Kevin Nash's job?
Nash debuted in World Championship Wrestling.
What was this?
Steel", one half of the tag team known as the Master Blasters.
What did this do for him?
Blaster Iron, with whom he made his debut at the Clash of the Champions on September 5, 1990, defeating Brad Armstrong and Tim Horner.
What did this do?
They would defeat Horner and Rotundo on several house shows.
On September 22, Nash's partner Master Blaster Iron was replaced by "Blade.

Question: What did this do?
Self-contained rewrite: what did replacing Kevin Nash's partner on September 22 do?