In 1998, he began racing on asphalt ovals when he entered the American Speed Association (ASA) as well as part-time in the NASCAR Busch Series (now Xfinity Series).
In 1998, Johnson started racing in the American Speed Association (ASA) series.
In 1998, Johnson started racing in the American Speed Association (ASA) series.
Use simpler wording: In 1998, he began racing on asphalt ovals when he entered the American Speed Association (ASA) as well as part-time in the NASCAR Busch Series (now Xfinity Series). Output: