championchip coner ball corner kick corner soccer flag football football field outdoor game playgound champion European championship field game grass green kick line match play soccer attendance crowd people stadium supporters outdoor sporty arena articifial background texture tile wallpaper active activities advice clothing coach coaches coaching football-field footballers grassed outdoors oval practice-match readiness ready sport sporting-area sports-green teenage Teenagers uniform uniforms young-people youth artificial grow lines stadioon futbol kids nature ball Futsal goal grid net penalty plain playing field soccer field synthetic turf