After thanking his family and the fans, Haley said, "This is great and this is one of the greatest things that happened to me in my life."
Allen, who former Cowboys offensive lineman Nate Newton called one of the great linemen of his time, was an 11-time Pro Bowler and six-time All Pro selection. He was also named to the All-Decade team of the 1990s. He's eligible for the Pro Football Hall of Fame next year.
Allen, a soft-spoken man, was brief in his remarks to the fans.
Pearson's name and years played is displayed next to Tex Schramm on one side of Cowboys Stadium, basically the Tom Landry era.
Allen and Haley surround The Triplets, on the other side of Cowboys Stadium.
Calvin Watkins covers the Cowboys for ESPNDallas.com.
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