The Falcons listed Trufant as out for Sunday's contest against the Los Angeles Rams.
Last week at Arizona, Kendall Sheffield made his first career start in place of Trufant. The rookie will likely get the nod again.
While Atlanta must go without its top corner, offensive guard James Carpenter returned to practice Friday after sitting out the previous day with a knee problem. He should be able to play against the Rams.
The Falcons (1-5) are mired in a four-game losing streak.
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