Johnson was set to make his fourth Cup start of the year, driving the No. 84 Legacy Motor Club Chevrolet in the inaugural event.&nbsp;<br>He ran the season-opening Daytona 500, COTA, and the Coke 600. Johnson was also a part of the Garage 56 NASCAR entry at the 24 Hours of Le Mans earlier this month.<br>The decision to bow out of the Chicago race comes following news of a terrible tragedy ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/jimmie-johnson-withdraws-chicago-chandra-family-shooting/10488419/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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