Cheating is so 1999

A reporter spends a year searching for the athletic holy grail: a sports gene

Updated: October 8, 2009, 4:28 PM ET
By Shaun Assael | ESPN The Magazine
Certain genes are linked to specific physical strengths like having a strong Achilles tendon (MMP3) or manufacturing the collagen that keeps ligaments and tendons like the ACL strong (COL1A1).

• Senior writer for ESPN The Magazine
• Author of "Wide Open: Days and Nights on the NASCAR Tour"; the New York Times best-selling "Sex, Lies and Headlocks"; and "Steroid Nation"