Professors Criticism:
Good start, some work and polish to do.
Expand your introduction. What is your paper, why are you doing it, and why is it important?
Why discuss two casters from different esports?
Your list of things that make them above average seems shallow. I think it would be beneficial to choose one of your casters to focus and then compare him to a newer, less successful caster in the same esport. What are the similiarities and differences? Do the differences explain the differing levels of success?
An aspiring caster should learn something of value from reading your paper