Complex sentence: On lap eight, Bowyer hit the wall, which caused Kahne to drive down the track, and made contact with Jamie McMurray, who slid through the infield grass on the frontstretch, causing the first yellow flag and the appearance of the pace car.
Split into simpler sentences: On lap eight, Bowyer hit the wall, causing Kahne to drive down the track. He also made contact with Jamie McMurray, who slid through the infield grass on the frontstretch, causing the first yellow flag and the appearance of the pace car.