Teams change systems all the time. Last year we changed to 4-3-3 a few times. We also played 4-4-2. The year before we started 4-2-3-1 then 4-4-2 then a variation of 4-3-3 before returning to 4-4-2. If we had signed Bright or if we sign a 10, we will revert to 4-2-3-1