Complex sentence: He purchased the team from Harry Rainer in 1988, with driver Davey Allison the team finished second in its fist race the 1988 Daytona 500 being edged by Davey's father NASCAR legend Bobby Allison.
Split into simpler sentences: He purchased the team from Harry Rainer in 1988, with driver Davey Allison. The team finished second in its first race, the 1988 Daytona 500, being edged by Davey's father NASCAR legend Bobby Allison.