[rich2202]

I'm a rookie for the championship, but from what I have seen, a 4th bot may be desired if you want to be able to switch from a more offensive strategy to a more defensive strategy.

In a more offensive strategy, nimbleness is more valued over brawn (think half back/tight end). In a more defensive strategy, you may want the reverse (full back).

If you are playing a team that goes for the 3 assist goals, then a nimble midfielder that can disrupt the assists may be the way to go.

If you are playing a team that goes for 2 assist goals, and pays more attention to disrupting you, then a midfielder that can set picks, clear pathways, or muscle its way to the ball, may be preferred.