Joseph Buck is an American sportscaster and the son of sportscaster Jack Buck Buck was born in St. Petersburg, Florida and raised in the St. Louis area, where he attended St. Louis Country Day School. He began his broadcasting career in 1989 while he was an undergraduate at Indiana University Bloomington.

Buck is known for his work with Fox Sports, including his roles as lead play-by-play announcer for the network's NFL and MLB coverage.Since 1996, he has served as the play-by-play announcer for the World Series each year, with the exceptions of 1997 and 1999. Buck called play-by-play for the then-Louisville Redbirds, a minor league affiliate of the Cardinals, and was a reporter for ESPN's coverage of the Triple-A All-Star Game in 1989. Buck continued to call Cardinals games after being hired by Fox Sports, initially with his father on KMOX and later on FSN Midwest television. On October 14, 2012, Buck called a doubleheader, first with the New York Giants-San Francisco 49ers game at 4:25 PM, then traveled via trolley for the seven-mile journey across town to call Game 1 of the NLCS between the St. Louis Cardinals and the San Francisco Giants.

Buck is a seven-time Sports Emmy Award winner, and has won the National Sportscaster of the Year three times.Through 2019, Buck has called 21 World Series and 20 All-Star games for Fox, the most of any play-by-play announcer on network television.