Interesting. Thanks for the link.
Looking at the stats:
Before Stubblefield (2013)
Passing offense: 60th
Passing efficiency: 86th
Record: 5-7
With Stubblefield (2014-15)
Passing offense: 93rd, 106th
Passing efficiency: 61st, 73rd
Record: 10-3, 9-4
After Stubblefield (2016-18)
Passing...