What are the black bars beneath American Footballer's eyes are used for? - Sports Stack Exchange

I often see football players with black bars right under their eyes. I can't figure out a reason why they are necessary. What are they used for?

ABC News' Britt Clennett reports from the Israel-Lebanon border, where

Men in Blazers Present Encyclopedia Blazertannica: A Suboptimal Guide to Soccer, America's Sport of the Future Since 1972: Bennett, Roger, Davies, Michael: 9781101875988: : Books

Who is the greatest American football player from the NFL or earlier leagues that most people, even big fans of the sport, don't know much about? - Quora

Franklin Sports Standard Eye Black, OSFM : Arts, Crafts & Sewing

Christophe Galtier: The man chosen to replace Mauricio Pochettino signals change in Paris Saint-Germain approach, Football News

Jessica Lange's portraits of a lonely city

The twisted fates of Green Bay & Rock Island

Football player dominant region determined by a novel model based on instantaneous kinematics variables

1970-1971 Peru Pedagogian - issues 1-22 by Peru State College Library - Issuu