Would a jock ever wear glasses?

Even if they needed glasses, they'd probably wear contacts. I knew a few cheerleaders in high school that did that just because you're in an active sport and you wouldn't want your glasses falling off, getting smashed etc.

They're less likely to wear them, due to superficial concerns about public image, but that doesnt mean they dont need them.

There was even one (American) football player who did. And I wore them as a professional fencer.