Nike's Colin Kaepernick "believe in something, even if it means sacrificing everything" ad campaign signals the sporting goods giant's move into politics and social justice.

For 50 Cent and Floyd Mayweather, it's another opportunity to clown each other on Instagram.

50 started it by using the Kaepernick template to mock Floyd's trouble with literacy.

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👀champ must have done this one himself. LOL 🤨get the strap #lecheminduroi

A post shared by 50 Cent (@50cent) on Sep 5, 2018 at 10:55am PDT

Floyd then used Fif's famous "Get The Strap" catchphrase to suggest 50 is a homosexual who has a sexually transmitted disease. 

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Is Curtis Jackson my biggest fan or my biggest groupie?

A post shared by Floyd Mayweather (@floydmayweather) on Sep 5, 2018 at 2:45pm PDT

We're sure this is exactly the discussion Nike wanted the Kaepernick campaign to encourage. 

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😆LOL CHAMP MAD AT ME AGAIN, BECAUSE YAL LAUGHING AT HIM. 🤣

A post shared by 50 Cent (@50cent) on Sep 5, 2018 at 2:57pm PDT