Question: How many MLB players were named in the Mitchell report who are alleged to have used performance enhancing drugs,  which is considered unethical and therefore prohibited by most international shorts organizations? 
Sentence (from "Mitchell Report"): The Report to the Commissioner of Baseball of an Independent Investigation into the Illegal Use of Steroids and Other Performance Enhancing Substances by Players in Major League Baseball, informally known as the "Mitchell Report," is the result of former Democratic United States Senator from Maine George J. Mitchell's 20-month investigation into the use of anabolic steroids and human growth hormone (HGH) in Major League Baseball (MLB).
Relevant evidence: Yes