Colin Kaepernick

San Francisco 49ers quarterback Colin Kaepernick is gracing the cover of another popular magazine.

The football star is showing off a lot of muscle in the September issue of GQ magazine. The 25-year-old is shirtless, sporting his tattoos, a leather jacket, and some serious six-pack abs.

This is his second cover in recent months. He also stripped down for the 2013 ESPN The Magazine Body Issue last month.

This issue of GQ hits stands next week.

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