The announcement comes amid fierce congressional pressure on professional sports, especially Major League Baseball. On Wednesday, Senate Commerce Committee Chairman and Arizona Republican Sen. John McCain threatened the league and its players union with legislative action if they did not step up drug-testing efforts. Congress is also weighing a bipartisan bill to consider andro -- along with the designer drug tetrahydrogestrinone (THG) and other compounds -- a controlled steroid. Mike in Brazil McGwire, now 40 and retired, admitted using andro when he whacked 70 home runs for the St. Louis Cardinals in 1998, beating Roger Maris's 37-year-old single-season record of 61. Sales of androstenedione spiked during McGwire's well-publicized chase to the record. The home run record set by the 6-foot-5, 250-pound McGwire did not last long. Three years later, Barry Bonds of the San Francisco Giants -- who is now embroiled in his own steroid controversy -- blasted 73 homers. 8th street latinas But officials, who condemned the use of drugs in pro sports, said they were more concerned with protecting average citizens, especially youth who look up to athletes. "I don't blame Mark McGwire," said Senate Judiciary Committee (news - web sites) Chairman Orrin Hatch, one of the sponsors to amend an earlier bill defining steroids. The new bill would add 27 substances to the Drug Enforcement Agency's list of controlled substances and allow more to be added in the future. Hatch, a Republican from Utah and self-proclaimed sports fan, said it will give current law "flexibility so we don't have to play catch up with every andro look-alike." The supplement issue has even drawn the attention of President Bush (news - web sites). A former managing partner of the Texas Rangers Major League Baseball team, Bush called on professional athletes to abolish steroid use in his State of the Union speech in January. (Additional reporting by Steve Ginsburg)