No, they didn't. Priced wayyy too high.
From Wiki:
Preseason games[edit]
Date
Visitor
Score
Home
Stadium
Attendance
August 14, 2008
Pittsburgh Steelers
21–24
Buffalo Bills
Rogers Centre
48,434[57]
August 19, 2010
Indianapolis Colts
21–34
Buffalo Bills
Rogers Centre
39,583[58]
Regular season games[edit]
Date
Visitor
Score
Home
Stadium
Attendance
December 7, 2008
Miami Dolphins
16–3
Buffalo Bills
Rogers Centre
52,134[59]
December 3, 2009
New York Jets
19–13
Buffalo Bills
Rogers Centre
51,567[60]
November 7, 2010
Chicago Bears
22–19
Buffalo Bills
Rogers Centre
50,746[61]
October 30, 2011
Washington Redskins
0–23
Buffalo Bills
Rogers Centre
51,579[62]
December 16, 2012
Seattle Seahawks
50–17
Buffalo Bills
Rogers Centre
40,770[63]
December 1, 2013
Atlanta Falcons
34–31 (OT)
Buffalo Bills
Rogers Centre
38,969[64]
If I remember correctly, they dropped ticket prices and gave away a ton of tickets right before the preseason games.