As has been pointed out, Columbia was a darling of the T-Rank — it was actually ranked ahead of Harvard. But now it is confirmed that Alex Rosenberg, Columbia's star player, will miss the entire season with an injury. (Previously we knew that he'd miss a couple months, but now it's the whole year.)
This has a huge effect on Columiba's T-Rank, dropping them all the way to number 104. It's less of a big deal for the T-Rank+, in which they drop from 98 to 113.
The complete updated T-Rank is here.