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Former baseball player and author Jose signs copies of his new book "Vindicated: Big Names, Big Liars, and the Battle to Save Baseball" at Book Soup on April 7, 2008 in Los Angeles, California.
Former baseball slugger Jose Canseco is denying a woman's claim that he sexually assaulted her, calling the allegations "laughable."
Canseco spoke to reporters Thursday before playing in an independent league game in Fort Worth. He said he was prepared to take a polygraph test and that "the truth will always come out."
Word of a police investigation became public when the 48-year-old Canseco had several Twitter posts Wednesday. The tweets included the name and workplace of a woman and another said Las Vegas police had just left Canseco's house.
Police didn't immediately return a message Thursday, a day after saying no arrests were made and no charges were immediately filed.
Canseco hit 462 home runs and was a six-time All-Star. He played for seven major league teams.