Brennaman played his junior and senior years for Impact while attending Oak Park High School. After graduating in 2020, Brennaman moved on to Northwest Missouri State University where he pivoted to focusing on pitching. From there, he transferred to Cloud Community College, Louisiana Lafayette (D1), and Youngstown State (D1).

With Impact he will assist all levels of the program and focus on the pitching development side. Brennaman’s career intention is to become a coach at the collegiate level.

This will be Brennaman’s fourth season with Impact.