According to Adam Schefter, the Broncos' deal with free agent defensive tackle Terrance Knighton is virtually done:
Broncos close to an agreement with Jacksonville free-agent DT Terrance Knighton, who wants to reunite with Denver DC Jack Del Rio.— Adam Schefter (@AdamSchefter) March 13, 2013
Whether the Broncos attempt to keep Justin Bannan at this point remains to be seen (they could still use him in their rotation), but one thing is for sure, Del Rio now has exactly what he likes--over 660 lbs. of nastiness clogging the line of scrimmage on first and second downs.
As our own Ted Bartlett indicated earlier in the night, the Broncos should still draft a DT this year, there's no doubt. This signing gives them a lot more flexibility as to when they pull the trigger.