Sixteen years ago, Jeremy Mayfield was tearing up tracks and talking trash in a way that made him one of NASCAR’s love-hate guys. He drove hard, won races, and didn’t back down from anyone, whether it was on the asphalt or in the media room. But in May 2009, everything flipped. A random drug test came back positive, and NASCAR hit him with an indefinite suspension that basically ended his Cup career overnight.

The fallout was ugly. Mayfield swore up and down it was a mix of his ADHD meds and allergy pills, nothing illegal. He took NASCAR to court, saying their testing was messed up and biased. The fight dragged on for years, with him accusing the lab and the sanctioning body of everything from sloppy procedures to straight-up vendettas. Even after the courts mostly sided with NASCAR, Mayf

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