Help me with premier league fantasy!

I’m going to be playing two leagues this year with friends from work, it’s strictly for fun as fantasy sports for money is absolutely forbidden at my job.

One league is a traditional league, so I assume it’s like playing Roto in fantasy baseball.

The other league is a head to head league.

While I do follow the premier league actively, I’m at a loss as to how to actually put together a good team. My past attempts at creating a team haven’t gone well but I’d like to do well enough to do a bit of smack talking in our company slack.