NEW : NASCAR veteran Jason Leffler had just returned to dirt-track racing . He died Wednesday in a crash at a New Jersey dirt track . The Associated Press contributed to this report. ` He had to be pulled from the vehicle , the newspaper said . ` Lost a good guy tonight , '' racer Bobby Labonte tweets .
NEW : NASCAR veteran Jason Leffler had just returned to dirt-track racing . He died Wednesday in a crash at a New Jersey dirt track . The Associated Press contributed to this report. `` Lost a good guy tonight , '' racer Bobby Labonte tweets .