I am a big fan of great play designs. I may never use them but I believe you can learn something from great play designs. Kyle Shanahan is a great play designer which is why his teams always have success moving the ball. One way to measure if your offense has great play designs is to record yards BEFORE contact. To see how good your RB is, measure yards after contact but yards BEFORE contact tells you how good your plays are .Here’s the 49ers Bunch Counter