Bills sign DTs DeShawn Williams, Austin Johnson

(Photo credit: Bob Donnan-USA TODAY Sports)
The Buffalo Bills added to their depth on the defensive front on Thursday with the signings of tackles DeShawn Williams and Austin Johnson to one-year contracts.

Contract terms were not disclosed.

The Bills needed defensive tackles behind starters Ed Oliver and DaQuan Jones after losing reserves Poona Ford, Linval Joseph and Tim Settle to free agency, and Jordan Phillips consi