It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
football american football sport ball game play football american pigskin team competition american football player athlete american football field football player player football game blocking tackling bodies college helmet tackle athletic pile down ball carrier running back shoulder muscular football helmet football team
Page 2017 Free-images.com. All images are Public Domain