How good of a wide receiver is Stevie Johnson?
Last season, Stevie Johnson played poorly. But he had injuries. The three seasons before last — 2010, 2011 and 2012 — he was productive. He caught 237 passes for 3,123 yards and 23 touchdowns. Is Johnson a good receiver, or just another receiver who put up numbers on a bad team? Consider that from 2010 to 2012, Bills’ starting quarterback Ryan Fitzpatrick threw 20 interceptions trying to get the ball to…