I have no dog in this fight, but I found this comparison interesting. Here's a comparison of Jr. year stats for Thorson and another Big 10 QB from a while back:
QB A 1998: 12 games, 61.9% completion, 2,427 yards, 7.5 yrds/att, 14 TDs, 10 Ints, Rating 133.1. Team finished 10-3, 12th in AP poll. QB measured 6'4" 211
Thorson 2017: 13 games, 60.4%, 2,844, 6.6, 15, 12, 121.3. Team finished 10-3, 17th in AP Poll. QB measured 6'4" 226
QB A 1998: 12 games, 61.9% completion, 2,427 yards, 7.5 yrds/att, 14 TDs, 10 Ints, Rating 133.1. Team finished 10-3, 12th in AP poll. QB measured 6'4" 211
Thorson 2017: 13 games, 60.4%, 2,844, 6.6, 15, 12, 121.3. Team finished 10-3, 17th in AP Poll. QB measured 6'4" 226