Kenny was born in Los Angeles and attended Dominguez High School in Compton and Arizona State University. While at ASU, he broke four NCAA records, played in two College World Series and was a two-time All-American selection. In 1976 the California Angels selected him in the 1st round with the 6th selection.
Kenny was selected as The Sporting News' Minor League Player of the Year in 1977. Later in that same year, he made his Major League debut with the California Angels against the Chicago White Sox on September 11th. During this game he threw out three base runners from the outfield. Prior to the 1979 season, he was traded to the Minnesota Twins for future Hall-of-Famer Rod Carew. In 1980 he set the Twins' hitting streak record when he connected for 31-games, which was the longest in the American League since Dom Dimaggio connected for 34 straight in 1949. That same year, on the 3rd of July, he also tied a Major League record with three triples in one game. These accomplishments helped him be selected to the American League All-Star team.
On March 30, 1981, Kenny came back home as he was traded by the Twins to the Dodgers. During his stay with his hometown team he helped lead the Dodgers to three National League Western Division titles along with one National League pennant and the 1981 World Championship. Matter of fact, Kenny caught the final out against the rival Yankees giving the Dodgers their first World Championship since 1965. During that magical 1981 season he did not make a single error.
In 1987 Kenny concluded his 11-year Major League career with a .268 career batting average and 91 home runs and 479 runs batted in and 145 stolen bases.
Kenny is a 2008 inductee into the Reviving Baseball in Inner Cities (RBI) Hall of Fame for his vast contributions to baseball, the community and the program which not only encourages participation in baseball and expand the pool of talented scouting prospects, but, more importantly, provides young people with a positive, team-oriented activity that keeps them off the streets while challenging their bodies and minds.
Today, "KT" is an integral part of the Dodgers' community relations efforts and a member of the Dodger Legends Bureau.