Canseco has made numerous accusations about Rodriguez through the years, including claims in a 2008 book, “Vindicated,” that he introduced Rodriguez to a steroids supplier and that Rodriguez was interested in Jessica during the late 1990s. At the time of the book’s release, Canseco’s accusations about A-Rod seemed outlandish and petty — but a year later, it emerged that Rodriguez had tested positive for banned substances during a 2003 drug test.