Dennis Dale "Denny" McLain (born March 29, 1944) is a former American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 professional baseball

Baseball

Baseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...

 player, and the last major league pitcher

Pitcher

In baseball, the pitcher is the player who throwsthe baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the numbering system used to record defensive plays, the...

 to win

Win (baseball)

In professional baseball, there are two types of decisions: a win and a loss . In each game, one pitcher on the winning team is awarded a win and one pitcher on the losing team is given a loss in their respective statistics. These pitchers are collectively known as the pitchers of record. Only...

 30 or more games during a season (31–6 in 1968)—a feat accomplished by only thirteen players in the 20th century.
McLain attended, but did not graduate from, Mt. Carmel High School

Mount Carmel High School (Chicago)

Mount Carmel High School is an all boys, Catholic high school in the city of Chicago, Illinois. Located in the Roman Catholic Archdiocese of Chicago, the school has been operated by the Carmelite order of priests and brothers since 1900...

 in Chicago, and played shortstop and pitcher. Originally signed by the Chicago White Sox

Chicago White Sox

The Chicago White Sox are a Major League Baseball team located in Chicago, Illinois.The White Sox play in the American League's Central Division. Since , the White Sox have played in U.S. Cellular Field, which was originally called New Comiskey Park and nicknamed The Cell by local fans...

, he was selected off waivers by the Detroit Tigers

Detroit Tigers

The Detroit Tigers are a Major League Baseball team located in Detroit, Michigan. One of the American League's eight charter franchises, the club was founded in Detroit in as part of the Western League. The Tigers have won four World Series championships and have won the American League pennant...

, with whom he broke into the major leagues at the age of 19 in 1963.