HELP!!

Hi makkaley me and my frnds were bored and yapping about unemployed ND stuffs ..so we wanted to start a youtube channel where we want to post these yt shorts like top 5 best moments of football and those stuffs ..ippothaikku we are thinking to start football since it's fifa season .so we have little knowledge of football .what the actual help is we want to know where do we get those clips in good quality also without watermark without any paid site ..would be helpful if someone suggests..