Unsurprisingly, the question came up a few times when media got to talk with Al Davis. Why didn’t the Tigers add a defensive tackle in the portal?
And Davis had a pretty succinct answer. The kids will tell you what the team needs.
missouri.rivals.com
And Davis had a pretty succinct answer. The kids will tell you what the team needs.

Mizzou is focused on defensive tackle development
There was one position the Missouri Tigers didn't supplement through the transfer portal. Defensive tackle.