What boggles the mind is how Chip Long is struggling to do anything in the passing game. Even if the other guy was calling the plays at Memphis, he was the OC and you'd think he'd have at least picked up some pointers in his year there. His bio from 2016 is great, from wiki:
In 2016, the Tigers ranked among the top-20 Football Bowl Subdivision schools in passing offense (304.4, 14th), scoring offense (38.8, 16th), completion percentage (.635, 17th), passing efficiency (152.53, 19th) and first downs gained (303, 20th)
Memphis was one of six FBS teams to rank in the top-20 in each of those offensive categories in 2016.