The Lions have had more than their share of injuries this year, buying their coach and General Manager another year.
The second-round rookie is dealing with a shoulder injury, and coach Matt Patricia said it was the same shoulder that was a problem for him his senior season at Hawaii.
Tavai played in all 15 games so far, starting six.
He’ll be the 16th Lion to go on IR this season, a group which includes quarterback Matthew Stafford. That’s a lot of the reason they’re 3-11-1.