The show is based on a "Funny or Die" sketch created by Azaria.
Brockmire's voice is Hank Azaria's impression of the "generic baseball announcer" voice that was popular when he was growing up in the 1970s.
On "The Late Show with Steven Colbert (S5/Ep 103), Hank Azaria provided photographic proof that the loud sports coat he wears in the show is the same exact coat worn by Jack Warden in "Heaven Can Wait" (1978).
Even though Hank Azaria has been a long-time baseball fan, this is his first baseball movie/show.
Season Two stadium scenes were shot at Coolray Field, home of the Atlanta Braves AAA affiliate, the Gwinnett Stripers, in Lawrenceville, GA.