ARLINGTON, TEXAS — It was June 2008, and David Diaz did what any self-respecting person would have done after being pummeled in public by boxing star Manny Pacquiao. Diaz, the pride of Chicago ...

David Diaz, a 1996 U.S. Olympian and former lightweight world titlist, has announced his retirement from boxing after a 15-year professional career.

Lee Samuels: Greetings everyone. I’m in Las Vegas today. Bob Arum, my boss, is in Los Angeles, and David Diaz is in St. Louis training with his trainers, Kevin Cunningham and Jim Strickland.

Manny Pacquiao decimated many a fighter in his time and one man who felt the full brunt of his relentless pressure was David Diaz. The pair clashed in 2008 for the WBC lightweight crown, as Pacquia… ...