San Francisco 49ers – Kansas City Chiefs
NFL. National Football. League
What is yard lines in gridiron?
The yard lines are vertical lines on the football field with digits from 10 to 50 in both sides. They have huge practical markers for judges, coaches, players and fans. There are 10 small vertical marks between them, meaning each yard. The 50-yard line is a single marker. It identifies the traditional kickoff position.