It’s been almost a decade since Colin Kaepernick last played in an NFL game — but he’s eager to prove he’s still got the goods.  In an exclusive interview to celebrate the release of his new book, The Perilous Fight — out Tuesday, September 15 — Us asked Kaepernick, 38, “how many” of the league’s current 32 starting quarterbacks he thinks he could outperform.  “It’s tough to say because I haven’t been watching the games, but I will check the stat lines to see where quarterbacks are at,” he replied. “Based upon that, I think there’s a good amount.” Kaepernick said he “wholeh...