I gave them letter grade ratings
I'm one of those 'Everyone starts the semester with an A; it's your job to keep it' type.
Question for the OP, are you asking the ranking based on: (1) their performance last season, (2) our guess regarding where they will be at the start of this season, or (3) our guess where they will rank at the end of this season?
There are a lot of new faces on this team, it may take a few games to gel as a team/position group. IMO, they will be in a Very different place at the beginning of the season vs. the end of the season.