Calvin Johnson has no plans to stop dunking the football over the crossbar. But the Detroit Lions star receiver does have a plan to avoid being penalized for one of his favorite post-touchdown ...

DETROIT -- After a week of questions about his limited production of late, Calvin Johnson lifted Detroit's offense with an emphatic reminder that he's still one of the game's most dynamic players.

Detroit Lions wide receiver Calvin Johnson is contemplating retirement, and a source told ESPN's Ed Werder that Johnson warned his mother a few days ago he wasn't sure if he'll continue to play.