Cary Williams will be a free agent again. ‘I’m a presence still out there’

That’s Cary Williams trying to stop DeSean Jackson during a 2014 game against the Eagles. (Toni L. Sandys/The Washington Post)For the third time in a year, Cary Williams will become a free agent on March 9. The cornerback had an interesting 12 months, which led him to the Seattle Seahawks then to the Washington Redskins during the postseason, but the 31-year-old isn’t deterred by his latest obstacles.

“I think I’m a presence still out there,” Williams said. “I think people still respect who I am and what I can do. I think that speaks volume. I don’t think this season is going to define who I am, and it doesn’t define who I am. At the end of the day, it’s an adverse moment that I can get…