Cam Newton and Colin Kaepernick are good at a lot of things. Playing quarterback? Of course. Entertaining millions of people? For sure. Selling products to the American public? You bet. But singing? Uhhhhhhh, yeah. About that…

The Panthers quarterback and the 49ers shotcaller teamed up to host the Hall of Game Awards on Cartoon Network last night. And at one point, they took turns singing Katy Perry's "Roar." And it was not exactly their finest moment. Press play on the clip above…right after you pop in earplugs, cover your ears, and disconnect your computer speakers.

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[via TMZ Sports]