halfback running play

150806 19101940 1930s activity alert and athlete athletics away bw ball black blackwhite blank blocking bygone caucasian challenge compete competitive competitor concentration cooperation coordination copy day dedicated dedication determination empty era exterior fashioned field football game ground halfback headgear historical horizontal looking males men nostalgia nostalgic old oldfashioned olvi008ou391f outdoors outside ov1508all ov2015 ov861 people play player players playing protection protective retro retrospective rivalry running skill space sport sportswear strength team teamwork two uniform vintage visuals white