Jack Sock against Marin Cilic, Louis Armstrong Stadium, U.S Open 2016, New York, 5 March 2017. View public domain image… https://www.rawpixel.com/image/6111798/photo-image-public-domain-art-freeFree Image from public domain licenseAmerican football arena, 14 February 2017, location unknown. View public domain image source here https://www.rawpixel.com/image/6111334/photo-image-light-public-domain-blueFree Image from public domain licenseWembley Stadium, England, 2 December 2018. View public domain image source here https://www.rawpixel.com/image/6111797/photo-image-public-domain-green-blackFree Image from public domain licenseFootball match Instagram post template https://www.rawpixel.com/image/14884195/football-match-instagram-post-templateView licenseBasketball game in Oakland Arena, California, United States, 2 March 2017. View public domain image source here https://www.rawpixel.com/image/6113859/photo-image-public-domain-blue-peopleFree Image from public domain licenseStamford Bridge Stadium, football, Fulham, London, 10 March 2017. View public domain image source here https://www.rawpixel.com/image/6113712/photo-image-public-domain-blue-freeFree Image from public domain licenseAdidas advertising at Switzerland and Ecuador football match, 2014 FIFA World Cup, National Stadium, Brazil, June 15, 2014.… https://www.rawpixel.com/image/6112277/photo-image-public-domain-people-brazilFree Image from public domain licenseEmirates advertising at Switzerland and Ecuador football match, 2014 FIFA World Cup, National Stadium, Brazil, June 15… https://www.rawpixel.com/image/6113488/photo-image-public-domain-brazil-freeFree Image from public domain licenseT-Mobile Park, Seattle, Washington, United States, 12 February 2017. View public domain image source here https://www.rawpixel.com/image/6113716/photo-image-public-domain-people-freeFree Image from public domain license