What is the percentage of athletes who cheat on their wives?

According to the CNN report, famously quotes in a Daily Beast piece about Steve McNair, the percentage of professional athletes who cheat is in the range of 80% to 90% percent! It’s not clear from the quotation what CNN’s methodology was for reaching this conclusion. but given how often athletes get caught, and how much temptation we know is out there, it’s hard to doubt it happens way too often.