For an Offense/Passing team, you need a Ranged Weapon expert (Archer), a good set of Pocket Defenders (couple Cavaliers) & a fast moving Receiver (Flee/Abundant Step).
For an Offense/Running team, you need a couple of good linemen (Cavaliers), & a fast, agile Runner (Flee/Abundant Step, Dodge).
For a Defense team... lineman (Cavaliers), linebackers (Ronin?), & defensive tacklers (people with Nail, Trip, etc...)
Special Teams... no one cares about Special Teams.