The Bills announced Monday that they had signed four players to the practice squad.
They added CB Doran Grant who was a fourth round pick of the Steelers in 2015.
They also signed receiver Matt Hazel, who the Dolphins took in the sixth round in 2014.
They also brought back guard Gabe Ikard who spent time with Buffalo in 2015, and Max Valles who they just cut September 2nd.
The Bills also announced they have released fullback Dan Vitale.