From Matt Williamson of ESPN on CJ Spiller: “I think he’s a better player at his best than Sproles,” Williamson said. “I think his highs could be very, very high. You look at his best year two or three years ago with the Bills, he had an insane yards-per-carry. He’s a big play waiting to happen. When he’s at his best, he’s very, very good. “But...