Cowboys pay tribute to Landry, run 4-3 Flex on first play <SNIP> On the first play from scrimmage, new defensive coordinator Rob Ryan called for the team's starters to line up in the 4-3 Flex, a formation conceived by Tom Landry -- the legendary coach whose fingerprints are all over this franchise. "Without living in the past, we try to put that in front of our players to understand what the tradition means, what the star means, what the standard is and all that," head coach Jason Garrett said. "I think it fits in with all of that. It was Rob's idea all the way. He brought it up to me and I said I love that. That's tremendous.'' Read more:http://cowboysblog.dallasnews.com/archives/2011/08/cowboys-pay-tribute-to-landry.html?