Returns the game results for a given league season(s)
Arguments
- country
the three character country code
- gender
gender of competition, either "M" or "F"
- season_end_year
the year(s) the season concludes
- tier
the tier of the league, ie '1st' for the EPL or '2nd' for the Championship and so on
- non_dom_league_url
the URL for Cups and Competitions found at https://fbref.com/en/comps/