Louis Clark "Lou" Brock (born June 18, 1939) is an American former professional baseball player. He began his Major League Baseball career with the Chicago Cubs, but spent the majority of his career as the left fielder for the St. Louis Cardinals. Brock was best known for breaking Ty Cobb's all-time major league stolen base record. He is currently a special instructor coach for the St. Louis Cardinals. Brock was inducted into the Baseball Hall of Fame in 1985. Brock made his major league debut with the Cubs on September 10, 1961 at the age of 21. The Cubs gave up on Brock and made him part of a trade with the St. Louis Cardinals. After Brock was traded to the Cardinals, his career turned around significantly. In 1966, Brock ended Maury Wills' six-year reign as the National League's stolen base champion with 76 steals. Brock went on to lead the National League in stolen bases eight times within a nine year span between 1966 and 1974 (former teammate Bobby Tolan, who's personal bat I own, led the league in steals in 1970).
In a nineteen-year career, Brock played in 2,616 games, accumulating 3,023 hits in 10,332 at bats for a .293 career batting average along with 149 home runs, 900 runs batted in and a .343 on base percentage. A six-time All-Star, Brock hit over .300 eight times during his career. He ended his career with a .959 career fielding percentage. Brock held the single-season stolen base record with 118 until it was broken by Rickey Henderson in 1982. He also held the major league record for career stolen bases with 938 until it was also broken by Henderson in 1991. He led the National League in stolen bases for a record eight times and also had a record twelve consecutive seasons with 50 or more stolen bases. Brock is still the National League's leader in career stolen bases. Brock's .391 World Series batting average is the highest for anyone who played over 20 series games. His 14 stolen bases in World Series play are also a series record. Brock's 13 hits in the 1968 World Series are a single-series record.
Brock was inducted into the Baseball Hall of Fame in 1985, his first year of eligibility. He was inducted into the Missouri Sports Hall of Fame in 1992. Brock was inducted into the St. Louis Walk of Fame in May 1994 and, in 1995 he was inducted into the Arkansas Sports Hall of Fame. In 1999, he was ranked Number 58 on The Sporting News' list of the 100 Greatest Baseball Players, and was nominated as a finalist for the Major League Baseball All-Century Team.