3 ▁years . ▁ ▁Later ▁career ▁in ▁sports ▁broadcast ing ▁In ▁ 1 9 6 0 ▁Roberts ▁became ▁public ity ▁director ▁of ▁Garden ▁State ▁Park . ▁He ▁revert ed ▁the ▁Jersey ▁St akes , ▁the ▁Memorial ▁Day ▁feature ▁to ▁its ▁original ▁name , ▁the ▁Jersey ▁Derby . ▁ ▁The ▁winner ▁of ▁the ▁Kentucky ▁Derby , ▁ ▁Ven et ian ▁Way , ▁and ▁Pre ak ness ▁St akes ▁winner ▁B ally ▁A che ▁cont ested ▁the ▁race . ▁The ▁track ▁set ▁state wide ▁records ▁for ▁attend ance ▁and ▁par i - mut uel ▁bet ting . ▁ ▁In ▁ 1 9 6 5 ▁he ▁joined ▁with ▁two ▁others ▁to ▁launch ▁W P HL - TV , ▁the ▁first ▁U H F ▁station ▁to ▁broadcast ▁in ▁Philadelphia . ▁Roberts ' s ▁programming ▁ ▁was ▁a ▁prec ursor ▁of ▁today ' s ▁ESP N . ▁In ▁ 1 9 6 8 , ▁he ▁purchased ▁radio ▁station ▁W K DN ▁and ▁changed ▁the ▁call ▁letters ▁to ▁his ▁initial s , ▁( W ) T MR . ▁ ▁In ▁ 1 9 6 8 ▁Roberts ▁worked ▁with ▁Mad ison ▁Square ▁Garden , ▁producing ▁and ▁announ cing ▁eight ▁World ▁Box ing ▁Championship ▁b outs ▁that ▁year , ▁con cluding ▁with ▁the ▁heavy weight ▁title ▁bout ▁between ▁the ▁world ▁champion ▁Joe ▁Fra z ier ▁and ▁Oscar ▁Bon av ena . ▁He ▁also ▁helped ▁line ▁up ▁the ▁television ▁stations ▁for ▁a ▁national ▁TV ▁network ▁of ▁his ▁own ▁and ▁innov ated ▁closed - circ uit ▁box ing ▁in ▁hotel ▁ball rooms ▁and