The time of USA Track & Field's Friday press conference at Commonwealth Stadium has been changed to 12:45 p.m. Two-time world outdoor champion and 2001 world indoor champion John Godina has been added to the press conference; other top Team USA athletes are expected as well. Who: Team USA head coaches J.J. Clark and Orin Richburg; World Indoor champion shot putter John Godina; other Team USA athletes TBA What: Team USA Press Conference When: 12:45 p.m., Friday, August 3 Where: Commonwealth Stadium Interview Room Why: Team USA preview of World Championships For more information: Call the USATF Xerox Media Center, 780-821-4130.