LAUSANNE, Switzerland — The head of the World Anti-Doping Agency called on Major League Baseball to be as open as possible about steroids, arguing against any premature closure of cases involving Alex Rodriguez and others.

"Ultimately, the public is happy with transparency — whatever you are, whoever you are," WADA president John Fahey said Tuesday.

Fahey said Rodriguez's admission that he used steroids from 2001-3 while with Texas "is surely a reminder to the MLB that something is not right."

"And in the long term for the health of this sport, can they ignore it?" he asked.

Rodriguez made the admission Feb. 9, two days after Sports Illustrated reported that his name was on a list of 104 players who tested positive during baseball's anonymous 2003 survey.

Baseball union head Donald Fehr said Monday that "we fixed the problem and we need to look forward."

Pitchers Curt Schilling and Brad Lidge are among those who have said all 104 players should be identified, but Fehr said the union will try to ensure the list of names remains confidential. The 9th U.S. Circuit Court of Appeals is deciding whether prosecutors may use the samples and data, seized during raids in April 2004.

"These revelations that continue to unfold — it is just that transparency might not be a bad thing in that sport," Fahey said.

During a symposium at the Olympic Museum, he stressed he did not want to meddle in baseball's business. After years of tense relations between MLB and former WADA president Dick Pound, cooperation is improving.

"There does not seem to be any resistance on their part now as there was in the previous years and there is none from us," Fahey said. "They have made significant strides in last couple of years."