CINCINNATI (AP) The Bengals have two draft picks left unsigned - including first-round cornerback William Jackson III - after reaching a deal with guard Christian Westerman of Arizona State.

Westerman was a fifth-round pick. The only other unsigned pick is defensive tackle Andrew Billings, chosen in the fourth round from Baylor.

The Bengals also signed safety Shawn Williams to a four-year contract extension through 2020. He was entering the final year on his deal. Williams, a third-round pick in 2013, got an increased role last season, starting four games.

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