Justin Daniel Masterson (born March 22, 1985) is a right-handed starting pitcher in Major League Baseball for the Cleveland Indians. Masterson was drafted by the Boston Red Sox in the second round of the 2006 Major League Baseball Draft. Masterson was rated as the 64th-best prospect going into that year's draft by Baseball America. Masterson stands 6'6", and weighs 250 pounds.
Masterson was the first Red Sox pitcher since 1912 to make his first four consecutive starts in Fenway Park and not lose any of them.
Masterson was born in Kingston, Jamaica, where his father served as dean of students at the Jamaica Theological Seminary. A few years later, Masterson moved to Fort Wayne, Indiana. He attended Beavercreek High School at Beavercreek, Ohio where he first played baseball as a catcher, pitcher, and first baseman. His mother works as a teacher at Parkwood Elementary School in Beavercreek, Ohio, and his father is a pastor.