The list of potential witnesses is a Who's Who of prominent baseball figures, ranging from Commissioner Bud Selig and Hall of Fame baseball writer Peter Gammons, to tainted home run king Barry Bonds and many of Clemens' former Yankee teammates, including Jorge Posada and Paul O'Neill.Judge Walton declared a mistrial in July 2011, on the second day of testimony after prosecutors presented evidence to the jury that the court already had ruled inadmissible. [read post]