Reach is only like 10% of the difference in outcome.
says the man with T Rex arms....LOL....I have an 80 reach (6' 4) and guys I spar with absolutely hate it. I'd say it matters more than 10% bud if you are a trained fighter that knows how to use it, as I have over the past 5 years.
"I don't know where the term 'training camp' came from in MMA." There aren't any camps or any tents." --Nick Diaz