In a league with a lot of good WR play, Mims was a step above. Most teams can flood the field with really good athletes at wide receiver, but the difference comes when you can put a guy out there who demands attention from multiple defenders on every play. That’s what Mims was for Baylor.
By the end of the 2019 season, when Brewer’s arm strength had clearly diminished, much of Baylor’s offense looked like this:
The ball is on the left hash. Mims is isolated on the boundary. Texas has a single high safety, but he’s clearly shaded towards Mims because Texas isn’t worried about a limited Brewer being able to beat them deep to the field.