Kid Rock at Boston Concert: 'F--- Colin Kaepernick'

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Kid Rock performs at the Indianapolis Motor Speedway on July 23, 2016 in Indianapolis.

While some artists prefer to keep their opinions to themselves, others -- such as Kid Rock -- don't stay quiet. During his concert in Boston over the weekend, the rocker paused mid-song to eloquently voice his thoughts on the recent controversy surrounding San Francisco 49ers quarterback Colin Kaepernick.

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"F--- Colin Kaepernick," Rock yelled out while performing his song "Born Free." A fan captured the footage so you can check it out below (around the 0:50 mark).

Kaepernick has gotten a lot of heat for protesting police brutality and social injustice by taking a knee during the national anthem at his NFL games.