Chemist: MLB still has steroid issues

0 Comments | USA TODAY, July, 2007 | by Bob Nightengale

SAN FRANCISCO -- Patrick Arnold, the chemist who worked with BALCO to invent a previously undetectable steroid, said Wednesday that not only did San Francisco Giants outfielder Barry Bonds use illegal performance-enhancing drugs but that Major League Baseball still has a steroid problem.

"I have to believe these athletes are always going to find performance-enhancing drugs that don't show up in testing," Arnold told USA TODAY in a telephone interview. "There are a lot of things that players are doing now. What they very well may be doing is taking steroids in the offseason and then using HGH and EPO during the season. There's testing now, but it's conceivable somebody has already designed an undetectable steroid."

Boston Red Sox pitcher Curt Schilling also...