Roger Guerreiro, commonly known as Roger, is a former professional footballer who played as an attacking midfielder. Born in Brazil, he was granted Polish citizenship and represented Poland at the international level.

The Poland national football team represents Poland in men's international football competitions since their first match in 1921. They are known by the nicknames "The White-Reds" and "The Eagles", symbolized by their coat of arms featuring a white eagle on a red background.