Peyton Manning is back. Whether he is ready to play is an open question. The Colts activated Manning from the physically-unable-to-perform list Monday. A few hours later, the four-time MVP pulled on his white No. 18 jersey and a helmet, and jogged onto the practice field, renewing hopes that he might actually play in the season-opener at Houston on Sept. 11 four months after neck surgery. "That's kind of been my goal all along, trying to get better and I know everybody's into predictions and everybody wants to have the breaking news," an upbeat Manning said. "But I just can't give you any more than what I'm giving you." Read more: http://espn.go.com/nfl/trainingcamp...ianapolis-colts-activated-ok-limited-practice
