Matthew Stafford and Calvin Johnson were basically unstoppable early last season.
Detroit's dynamic duo connected for two touchdowns in each of the first four games and nine times in five games to lift the team to a 5-0 start.
The Lions are 1-3 this season for many reasons. One of them is that opponents have turned the pair into a dud - Stafford hasn't thrown a TD pass to Johnson yet.
''I'm not real surprised,'' Johnson said Wednesday. ''We know teams aren't going to let you do what you did last year. We have to find a different way.''
The Minnesota Vikings were the latest team to keep Johnson out of the end zone - once hitting him hard to jar the football loose on what would've been a TD - by lining up a linebacker or defensive back close to him at the line with another defender or two behind to deter Detroit from throwing deep.
''Minnesota did a good job of taking it away and breaking up some passes that we threw down the field to Calvin,'' Stafford said.
Johnson was targete...