Bills sign rookie wide receiver Terrell Sinkfield

The Bills have signed rookie wide receiver Terrell Sinkfield, the club said Saturday. A Northern Iowa product, Sinkfield garnered some publicity in the pre-draft process for swift 40-yard-dashes at the University of Minnesota’s Pro Day, including one said to be timed at 4.19 seconds, per Fox Sports North. Now, Sinkfield (6-0, 200) is trying to…