Complex sentence: Bobby Isaac was just ahead of James Hylton and Bobby Allison was close behind, but Richard Petty, who was out of the points because a shoulder injury suffered at Darlington in May, was considered the favorite to win the race.
Split into simpler sentences: Bobby Isaac was just ahead of James Hylton, and Bobby Allison was close behind. But Richard Petty, who was out of the points because of a shoulder injury suffered at Darlington in May, was considered the favorite to win the race.