Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Henderson Javier Alvarez (born April 18, 1990) is a Major League Baseball pitcher for the Toronto Blue Jays. Alvarez made his professional baseball debut in 2007 with the DSL Blue Jays 1, going 1-2 with a 5.61 ERA. He signed with the Blue Jays as an undrafted free agent on August 17, 2008, and subsequently moved to the United States, where he pitched for the GCL Blue Jays, going 1-4 with a 5.63 ERA and a strikeout to walk ratio of 5.67. He was promoted to the Lansing Lugnuts of the Single-A Midwest League for the 2009 season, where he was an All-Star with a 9-6 win-loss record and a 3.47 ERA.