There is a huge drop off from the top 3 to Brees. The top 3 have a combined 30 straight seasons of winning football. Below the top 3 the QB can't carry the team all by himself. That said I would offer 3 ones to anyone 4-8, Roethlesberger flacco E manning, Ryan. I'd give 2 ones for rivers and maybe stafford and romo.
I forgot about luck. I would put him in the top 3 making the top 3 really 4. Who have 33 straight combined winning seasons and can carry a team by themselves