Whitesell (born April 14, 1982, in Durham, North Carolina) is an American former professional baseball first baseman who played in Major League Baseball (MLB) for the Arizona Diamondbacks and in Nippon Professional Baseball (NPB) for the Tokyo Yakult Swallows and Chiba Lotte Marines.
In the minor leagues, Whitesell was a Carolina League mid-season All Star in 2005, and an Eastern League mid-season All-Star team in 2007.
In 2008, Whitesell was voted the Diamondbacks' 2008 Minor League Player of the Year, a Baseball America Triple-A All Star, and the Pacific Coast League Rookie of the Year.
Baseball America also ranked him the best power hitter in the organization, and as having the best strike zone discipline in the organization.
Whitesell played for the Arizona Diamondbacks in Major League Baseball for parts of 2008 and 2009.
He played in the Washington Nationals organization for part of 2010, and played in the Japanese League for four years from 2010–13.