I'm not gonna lie - when I started playing MUT regularly (2017/18) I knew less than nothing about offense/defense schemes, reading defenses, route combinations, calling plays, etc.
I've been a football and Patriots fan since I was a kid but I never played and for years really only watched Patriots games. It wasn't until the early 2000s when my interest in football started to grow and I got Sunday Ticket and surrendered my Sundays to the NFL - still, I had never played Madden until 2015 and I skipped 2016
All that being said, I watched several You Tube videos early on, mostly focused on Patriots playbooks, learned some things, found some plays that I liked and started using those.
Now, I know next to nothing about playing Madden/MUT but that's an improvement over less than nothing and I have You Tube to thank for it.