Mark Thomas DeRosa (born February 26, 1975) is an American former professional baseball player who played in Major League Baseball (MLB) from 1998 to 2013. He played for the Atlanta Braves (1998–2004), Texas Rangers (2005–2006), Chicago Cubs (2007–2008), Cleveland Indians (2009), St. Louis Cardinals (2009), San Francisco Giants (2010–2011), Washington Nationals (2012), and Toronto Blue Jays (2013). DeRosa primarily played third base and second base, but he started at every position other than center field, pitcher, and catcher. He currently works for MLB Network as a studio analyst.