Colin Kaepernick said he’s been working out at 5 a.m., 5 days a week for 3 years. He’s ready to play football.

(CNN)Former San Francisco 49ers quarterback Colin Kaepernick has been out of work for more than 800 days. But he says he’s never stopped being ready to play football. A number of quarterbacks have been signed to NFL teams, but Kaepernick remains unsigned. Preseason begins Thursday night for most NFL teams. In the video, the words: “Denied work for 889 days,” flashes across the screen. “5 a.m., five days a week, for three years. Still ready,” says Kaepernick, who played for …