MT to injured reserve. Should be close to 100% for playoffs

Well he was put on IR the week leading up to the Chiefs game so that's a pretty good indication to suggest that he's suffered a major setback and in all probability he's back to square one.

No. There is nothing to suggest that. Directly from the article:

“Thomas' ankle just was not getting better with practice and games, sources told ESPN.”

That is not square one.