One Courageous Raven

BALTIMORE - In the Swahili language, Samari Rolle's first name is translated as strength.

As the Baltimore Ravens cornerback experienced one of the most trying years of his life, he needed every bit of personal fortitude he could muster as he was diagnosed with epilepsy and endured a handful of seizures last season.

Beyond the uncertainty of whether he would ever play football again as he missed six games, Rolle's growing concern centered on the periodic negative effect the neurological disorder was having on him.

There was a potentially dangerous episode where Rolle bit his tongue while driving his car to the...