FILE - New England Patriots tight end Matthew Mulligan celebrates his touchdown against the Atlanta Falcons during the first half of an NFL football game, in this, Sept. 29, 2013 file photo taken in Atlanta. (AP Photo/David Goldman, File)

Bills sign TE Matthew Mulligan

The Buffalo Bills added to the depth at tight end after Thursday’s final minicamp practice, signing Matthew Mulligan.

Buffalo Bills quarterbacks Matt Simms (8), EJ Manuel (3) and Matt Cassel (16) take part in drills during their NFL football minicamp in Orchard Park, N.Y., Tuesday, June 16, 2015. (AP Photo/Bill Wippert)

Bills open three day mini-camp

The Buffalo Bills have three days this week to fine-tune everything before a six-week break until training camp.

Detroit Lions defensive tackle Andre Fluellen (96) on the sideline against the Miami Dolphins during an NFL football game at Ford Field in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Rick Osentoski)

Bills sign DT Fluellen

The Bills added to the depth along the defensive line Tuesday, signing former Lions defensive tackle Andre Fluellen.