Titans head coach Mike Vrabel said Tuesday that Humphries remains in the NFL's concussion protocol, Turron Davenport of ESPN.com reports.
For the second straight day, Humphries looks set to go down as a non-participant on the injury report, which seemingly puts him on track to miss Thursday's game against the Colts. The Titans will wait and see if Humphries can make any progress at their final practice of the week Wednesday before an official decision on his Week 10 status is made.