"I am trying to find out what's going on. When I get my stuff together, I'll let you guys know," Ortiz said before the Red Sox faced the Baltimore Orioles.
The New York Times, citing unidentified lawyers with knowledge of the results, reported Thursday that Ortiz and former teammate Manny Ramirez were among the 104 players who tested positive for performance-enhancing drugs six years ago. The list was supposed to be confidential.
Ortiz said Thursday he was "blindsided" by the disclosure, but acknowledged the players' union confirmed he tested positive.
"The process needs to play out," Red Sox manager Terry Francona said. "And that's hard, because there are probably going to be a lot of opinions the next few days about David's situation without the information that is needed."
"We need to get to the bottom of this. There does need to be answers, I agree, but they're not there yet, so we have to be patient."
Philadelphia Phillies pitcher Pedro Martinez, who played with Ortiz and Ramirez on the 2003 Red Sox, came to the defense of both players Friday night after a rehabilitative outing for Triple-A Lehigh Valley in Allentown, Pa.
"As far as I know, I didn't know they were doing it," Martinez said. "It was something that was very common amongst the players. I was never told they were using anything. I never heard anything.
"I tell you one thing: They're good with or without. Both of them are really, really good."
Rob Manfred, Major League Baseball's executive vice president of labor relations, said all players take at least two drug tests a year.