The NFL Players Association says labor negotiations broke down last week because the owners' last proposal would have made salaries a fixed cost and eliminated the players' chance to share in higher-than-projected revenue growth. "That's a fundamental change as to the way the business has been done with the players -- player percentage always has been tied to revenues," said former 13-year offensive lineman Pete Kendall, the NFLPA's permanent player representative who retired after the 2008 season. Speaking to reporters Friday at the former union's annual meeting, Kendall described the league's offer as "kind of the old switcheroo." Kendall said that throughout negotiations, the players' chance to share in increased revenues had been a key component of how to divide the NFL's yearly take of more than $9 billion. Read more: http://sports.espn.go.com/nfl/news/story?id=6232940