The Buffalo Bills enter the final week of OTAs with high hopes for the defense to continue the improvement it made last season.
But uncertainty at safety could leave the Bills vulnerable in the defensive backfield.
Aaron Williams started his first full season at safety last season and did fairly well, posting four interceptions and a forced fumble for the defense that gave up the fourth-fewest passing yards in the NFL (3,271, or 204 per game).
"He can range from the middle of the field," said Jim Schwartz, new defensive coordinator for the Bills. "He can cover a guy man-to-man. He's got those hybrid safety-corner skills. I hadn't studied him since he came out of college, but the one thing that impressed me the most was his physical play."
Da'Norris Searcy and Duke Williams figure to compete through training camp for the other starting spot. Jonathan Meeks and Jajauan Harley round out the safety corps as the roster is currently made up.
Searcy comes in as the early favorite to start. He made 71 tackles last season with 3.5 sacks, one interception and seven passes defended.