Michael Seth McClung is a relief pitcher for the Milwaukee Brewers. In his career, he has pitched as a starting pitcher and as a relief pitcher. He comes from a family heavily involved in sports. His father, Mike, was an all-state high school football player. His brother, Marcus, is a former football player at Virginia Tech and the Canadian Football League, his brother Shawn played extreme sports, and his younger brother Sam was a lineman at Tusculum College in Greeneville, Tennessee.

McClung began the 2006 season with the Rays as a starting pitcher, was sent later that year to the minor leagues and was converted to be a closer.