Brockman wuxuu u shaqeeyay sida warbaahinta isboortiga ee WXLW, WIRE wuxuuna u shaqeeyay sida agaasimaha isboortiga ee WLWI (hadda WTHR) ee Indianapolis, Indiana. Laga soo bilaabo 1964
1970-kii, wuxuu soo bandhigay MCA oo ah barnaamijyo telefishan oo xiran oo ka mid ah Indianapolis 500. Waxa uu ka shaqeeyay ABC "Wide World of Sports", wuxuuna soo bandhigay 1965 Indianapolis 500. Wuxuu sidoo kale ka mid ahaa 3da guddoomiye ee rafcaanka rafcaanka Bobby Unser ee ciqaabtiisa 1-dabaq ee ka dib 1981 Indianapolis 500. Brockman wuxuu ahaa guddiga kaliya ee taageeray ciqaabta USAC, in kasta oo uu sidoo kale ka soo horjeestay go'aanka guddiga ee ah in aan lagu ciqaabin kaalinta labaad Mario Andretti oo ah xadgudub la mid ah.