Leach will be in the coaching HOF. His coaching tree is extensive. His impact on the Air Raid offense is pervasive through college, HS and even the NFL. His last 2 QBs at WSU are starting in the NFL. One of his former QBs is a head coach in the NFL.
As example of his non-traditional thinking "the greatest time of possession is scoring a touchdown. It includes the time it took to score AND the time it takes the opponent to match it." (paraphrased)