▁dashed ▁under ▁the ▁check ered ▁flag ▁a ▁car ▁length ▁in ▁front ▁to ▁win ▁the ▁Day ton a ▁ 5 0 0 . ▁Next , ▁he ▁won ▁Dar ling ton ' s ▁Reb el ▁ 4 0 0 ▁in ▁the ▁final ▁four ▁la ps , ▁then ▁won ▁Charlotte ' s ▁World ▁ 6 0 0 , ▁la pping ▁the ▁entire ▁field ▁at ▁least ▁twice . ▁He ▁also ▁bag ged ▁the ▁summer ▁ 4 0 0 - m iler ▁at ▁Day ton a , ▁prev ail ing ▁in ▁a ▁late - race ▁battle ▁with ▁Bud dy ▁Baker , ▁making ▁him ▁the ▁third ▁driver ▁in ▁NAS C AR ▁history ▁to ▁swe ep ▁both ▁Day ton a ▁races . ▁Y ar br ough ▁won ▁the ▁summer ▁race ▁at ▁Atlanta ▁International ▁Race way ▁despite ▁a ▁ 1 0 2 - deg ree ▁fe ver . ▁He ▁captured ▁The ▁Southern ▁ 5 0 0 ▁by ▁passing ▁David ▁Pear son ▁on ▁the ▁last ▁lap . ▁He ▁won ▁by ▁a ▁full ▁lap ▁at ▁Rock ingham ▁in ▁October , ▁over coming ▁a ▁lap ▁def ic it ▁when ▁a ▁flat ▁t ire ▁sent ▁him ▁into ▁the ▁wall . ▁▁ ▁By ▁season ' s ▁end , ▁Y ar br ough ▁had ▁seven ▁wins ▁to ▁his ▁credit ▁and ▁was ▁named ▁American ▁Driver ▁of ▁The ▁year . ▁ ▁After ▁his ▁successful ▁ 1 9 6 9 ▁season , ▁Y ar br ough ’ s ▁performance ▁record ▁tra iled ▁off . ▁A ▁victim ▁of ▁the ▁factory ▁withdraw al , ▁Y ar br ough ▁had ▁to ▁sc ram