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 field football player player football game running back runner ball carrier blocking blockers linemen football helmet athletic guard offense texas san antonio grass tough tackle helmet
Page 2017 Free-images.com. All images are Public Domain