Rodney Johnson is the President of the Arizona Chapter of the Society for American Baseball Research (SABR) and a former board member of the organization. He is also an official scorer for Major League Baseball and the coordinator of official scorers for the Arizona League (rookie classification). Rodney has served as an expert witness for the U.S. Attorney's Office in the field of sports memorabilia; has written numerous published articles on baseball and baseball history; is the research coordinator for the Mesa Historical Museum's Cactus League Exhibit (www.playballexperience.com); and is working on a book about the Cactus League. Contact Rodney.