▁The ▁Hend r icks ▁brothers ▁formed ▁Hend r icks ▁Sports ▁Management ▁and ▁built ▁an ▁ag ency ▁which ▁represented ▁approximately ▁ 1 0 % ▁of ▁all ▁major ▁league ▁baseball ▁players ▁for ▁nearly ▁ 2 0 ▁years . ▁In ▁ 1 9 9 9 , ▁the ▁Hend r icks ▁sold ▁their ▁company ▁to ▁S FX ▁Entertainment ▁[ 2 ], ▁( now ▁Live ▁Nation ), ▁where ▁R andy ▁became ▁Chair man ▁and ▁CE O ▁of ▁the ▁baseball ▁group . ▁Following ▁the ▁conclusion ▁of ▁their ▁management ▁contract s ▁in ▁ 2 0 0 4 , ▁the ▁brothers ▁reform ed ▁Hend r icks ▁Sports ▁Management , ▁which ▁re est ab lished ▁their ▁profile ▁as ▁leaders ▁in ▁their ▁industry ▁[ 3 ]. ▁ ▁Hend r icks ▁is ▁the ▁author ▁of ▁Inside ▁the ▁St rike ▁Zone , ▁published ▁in ▁ 1 9 9 4 ▁and ▁nominated ▁for ▁the ▁Case y ▁Award ▁for ▁best ▁baseball ▁book ▁for ▁that ▁year . ▁Hend r icks ▁has ▁negoti ated ▁many ▁record ▁contract s , ▁including ▁several ▁for ▁Roger ▁C lem ens ▁[ 4 ] ▁and ▁his ▁$ 2 8 ▁million ▁one - year ▁contract ▁for ▁Roger ▁C lem ens ▁is ▁the ▁highest ▁in ▁the ▁history ▁of ▁baseball . ▁ ▁He ▁negoti ated ▁a ▁record ▁$ 3 7 . 2 5 ▁million ▁contract ▁for ▁ 2 1 ▁year ▁old ▁Cub an ▁def ector ▁A ro ld is ▁Chap man . ▁ ▁Less ▁well ▁known ▁has ▁been ▁Hend r icks ' ▁career ▁for ▁over ▁ 4 0 ▁years ▁in ▁man aging ▁a ▁real ▁estate ▁port folio