By Jon Corrigan

(RADIO.COM) – Kid Rock had a short and to-the-point message for San Francisco 49ers quarterback Colin Kaepernick over the weekend.

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Rock was performing his song “Born Free” at Fenway Park on Saturday night when he paused and shouted, “F— Colin Kaepernick!” Listen for Rock’s remark about one minute into the video below.

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Kaepernick, of course, has been subject to public scrutiny for opting to sit (or kneel) during the national anthem, in protest of the treatment of minorities in America.

The video below contains explicit language:

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