Week 6 of the 2021 college football season was the wildest and most thrilling yet for an increasingly wild and thrilling campaign. Alabama lost, Oklahoma and Texas played maybe the greatest game in the history of their storied rivalry, Ole Miss and Arkansas lived up to their "most underrated rivalry" status and then some, and the Big Ten got wild after sundown with Iowa outlasting Penn State and Michigan surviving a massive test from Nebraska.
On paper, however, it was a mostly orderly affair. The spread was pretty dialed in on average, and SP+ had its best week of the year from an absolute error perspective -- the absolute-value difference between projection and result.