Tennessee Titans' Chris Johnson (28) runs against the Buffalo Bills during the first half of an NFL football game in Orchard Park, N.Y., Sunday, Oct. 21, 2012. (AP Photo/Bill Wippert)

Photo by: Bill Wippert

Tennessee Titans' Chris Johnson (28) runs against the Buffalo Bills during the first half of an NFL football game in Orchard Park, N.Y., Sunday, Oct. 21, 2012. (AP Photo/Bill Wippert)