Found this fanart of McGonagall as a young Quidditch player.

She was actually a player. I read a collection of jk's notes by Pottermore and she was

Woah... Never thought I'd see the day were Minevra is actually young lmao

Hmmm? I think she probably play Keeper

Yeah I was wondering too.... Keeper or beater were the first things that came to my mind.

I thought chaser

Possible..... It's guessing work

I AM SHOOK