The 2016 NFL season will begin without Calvin Johnson terrorizing defenses with his big-play ability or Marshawn Lynch exploding down the field with his "Beast Mode" runs.
Certainly the Detroit Lions and Seattle Seahawks will find life a little more difficult without their star offensive players. But Johnson, at age 30, and Lynch, who turns 30 on Friday, both opted to retire from the NFL this offseason. Johnson pondered his options for quite some time before making a decision, while Lynch tweeted a picture of hanging cleats with a peace sign symbolized.