That sounds like a fun project! "Football Imperialism" has become a massive trend on social media and sports forums (like r/CFB and r/nfl), where teams "conquer" land after every win until one champion remains.
Here is the link to the editable map: https://www.google.com/maps/d/u/0/edit?mid=1- If this link does not work for you I can share it through another method. football imperialism map editable link
A Football Imperialism Map is a competitive visualization game where teams "conquer" territory based on real-world match results. At the start of a season, every team is assigned a land area (often based on the closest counties to their home stadium). When a team defeats an opponent, they take over all of the loser's current land. Interactive & Editable Resources That sounds like a fun project
To run your own simulation, you don't need to be a graphic designer. Several platforms provide the "bones" of these maps: Navigate to MapChart
Finding a template is the first step to running your own simulation. Several platforms offer editable or interactive versions: Scribble Maps: