MLB’s tainted legacy

Former San Francisco Giants slugger Barry Bonds faces multiple counts of lying to a federal grand jury and obstruction of justice after he denied that he ever knowingly used steroids. His former personal trainer, Greg Anderson, refuses to testify against him. Anderson, who has close ties to the BALCO scandal, pleaded guilty to conspiracy to distribute steroids and to money laundering.  (Eric Risberg / Associated Press)

Seven-time Cy Young Award winner Roger Clemens, who has been accused of using human growth hormone and steroids by trainer Brian McNamee in the Mitchell Report, testified before Congress that he never used any banned substances.   (Pablo Martinez Monsivais / Associated Press)

Houston Astros shortstop Miguel Tejada wipes his eye as he makes a statement during a news conference at Minute Maid Park in Houston. Tejada pleaded guilty at the federal courthouse in Washington earlier in the day that he made misleading statements during a transcribed interview with congressional staffers in 2005 over the use of banned performance-enhancing substances.  (Bob Levey / Getty Images)

According to “Game of Shadows,” a book written by two San Francisco Chronicle reporters, Bonds allegedly used a vast array of performance-enhancing drugs, including steroids and human growth hormone, for at least five seasons beginning in 1998.  (Eric Risberg / Associated Press)

Former Oakland A’s and St. Louis Cardinals slugger Mark McGwire is sworn in during a House committee session investigating Major League Baseball’s effort to eradicate steroid use. McGwire did not confirm or deny steroid use in congressional testimony.  (Mark Wilson / Getty Images)

Although his power numbers were slightly inflated from his Texas Rangers days, Alex Rodriguez’s build seems very similar in these photos from 2003 and 2008 with the Yankees.  (Photos by Linda Kaye and Kathy Willens / Associated Press)

New York Yankees first baseman Jason Giambi, with manager Joe Torre, apologizes for his involvement in the BALCO scandal and with trainer Greg Anderson during a news conference at Yankee Stadium in 2005. He refused to talk about his involvement in the use of banned substances.  (Ray Stubblebine / Associated Press)

In a statement to reporters, former Dodgers and current Milwaukee Brewers reliever Eric Gagne apologizes but stops short of admitting to using banned substances. He was tied to shipments of human growth hormone from Kirk Radomski in the Mitchell Report.  (Morry Gash / Associated Press)