If life is a ball game, Mike Pesca is our umpire, calling the shots as he sees them. Pesca is NPR's sports correspondent and WEEKEND EDITION's guide to the intersections between sports and life, and he joins us now. Hey, Mike.
MIKE PESCA, BYLINE: Hello.
MARTIN: OK. So, this week baseball in the headlines and steroids - back in court again. Give us a rundown of what's happened.
The prosecution at the perjury trial of baseball great Roger Clemens suffered another major setback Wednesday. One of its key witnesses, pitcher Andy Pettitte, conceded that he may have misunderstood his former teammate as saying he used human growth hormone (HGH).
Clemens is charged with lying to Congress when he testified before a House committee that he had never used performance-enhancing drugs.
Andy Pettitte leaves the federal court in Washington, D.C., Tuesday. Pettitte took the stand in the retrial of Roger Clemens on charges that Clemens lied when he told Congress in 2008 that he had never used steroids or human growth hormone.
If the prosecution at the Roger Clemens perjury trial hoped for a dramatic showdown on Tuesday, the day was a big disappointment. The prosecution's star witness, Clemens' friend and onetime pitching ace Andy Pettitte, provided as much, if not more, ammunition for the defense.
Clemens is charged with lying to Congress when he testified that he had never used performance-enhancing drugs.