Al Clark, 56, a major league for 26 years, pleaded guilty in Newark federal court Monday to conspiracy to commit mail fraud, and faces up to five years in prison and a $250,000 fine.
He also agreed to pay $40,000 in restitution to fans who paid at least $2,000 per ball.
From 1995 through 1998, prosecutors said, he passed off the fakes as the real deal in such storied baseball moments as:
-- Cal Ripken tying and breaking Lou Gehrig's consecutive-games records on Sept. 5-6, 1995.
-- Dwight Gooden's May 14, 1996, no-hitter for the Yankees.
-- Nolan Ryan's 300th career victory on July 31, 1990.
-- Yankee Bucky Dent's home run in the Oct. 2, 1978, American League East playoff tiebreaker with the Boston Red Sox.
-- Former Yankee pitcher Hideki Irabu's first major-league game ball.
"People wanted a small piece of the great American pastime. Instead, they had their pockets picked," Newark U.S. Attorney Christopher Christie said.
Clark remains free on $50,000 bail.
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