https://twitter.com/_Pat_Murphy/status/1234896690966081536?s=19 Retweeted by Bucknuts , and says that Teague was not with the first team at the end of practice yesterday and now is not available for Spring Practice. Not trying to link and run, but I don't see much else yet.

Edit:  Bucknuts with an article now saying it is indeed an Achilles injury.

[Mod Edit: Closing; more discussion here - https://www.elevenwarriors.com/ohio-state-football/2020/03/112542/running-back-master-teague-iii-will-miss-spring-practice-with-injury]