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• Feb. 14: Jose Canseco accuses players, including Rafael Palmeiro, of steroid use in his autobiography,
"Juiced: Wild Times, Rampant 'Roids, Smash Hits, and How Baseball Got Big."
• March 17: Palmeiro, Canseco, Mark McGwire, Sammy Sosa and others testify under oath during a House Government Reform Committee hearing on steroids. Palmeiro tells lawmakers: "I have never used steroids. Period."
• April: Palmeiro takes a shot of vitamin B-12, given to him by a teammate. Orioles shortstop Miguel Tejada later acknowledges he was the teammate.
• May 3-4: Palmeiro takes a Major League Baseball drug test; his sample is tested.
• May 19: Palmeiro is informed his test was positive for the anabolic steroid stanozolol.
• May 27: Palmeiro takes a second test -- not administered by Major League Baseball -- which is negative for steroids.
• June 12: Major League Baseball tells Palmeiro he'll be suspended; he asks the players' association to file a grievance.
• June 16: At an arbitration panel hearing, Palmeiro says he never knowingly took steroids. He offers a possible explanation for the failed test, saying a teammate gave him a vitamin B-12 shot. The vial was thrown away and never tested.
• July 15: Palmeiro collects his 3,000th career hit, a double in the fifth inning of Baltimore's 6-3 victory at Seattle. He becomes the fourth player in major league history with 3,000 hits and 500 home runs.
• Aug. 1: After Shyam Das, baseball's independent arbitrator, denies the grievance, Palmeiro is suspended for 10 days.
• Aug. 2: In a telephone conversation with House Government Reform Committee Chairman Tom Davis, R-Va., Palmeiro agrees to allow Major League Baseball to give Congress documents related to his steroid tests.
• Aug. 3: Davis says his committee will investigate whether Palmeiro committed perjury during the March 17 hearing.
• Aug. 11: Palmeiro returns to the Orioles after serving his suspension.
• Sept. 5: With two hits in 26 at-bats since the suspension, and hearing boos at home and road games, Palmeiro is sent home to Texas by the Orioles to rehabilitate injuries to his right knee and left ankle.
• Sept. 23: The Orioles tell Palmeiro not to return to the team.
• Oct. 28: Palmeiro becomes a free agent.
• Wednesday: Davis' committee says it will release its report on the Palmeiro case on Thursday. About two hours later, Palmeiro's lawyers release a statement in which he takes responsibility for his failed test and offers the explanation of a tainted B-12 shot for the first time publicly.
• Thursday: Davis' committee issues its report, which concludes there isn't enough evidence to pursue perjury charges. "We couldn't find any evidence of steroid use prior to his testimony," Davis says. "That's not a finding of innocence, but it's a finding that we could not substantiate perjury."