The Mets acquired Ken Henderson, a 13-year veteran outfielder, from the Texas Rangers as part of a multi-player multi-team trade on December 8, 1977. He made his Mets debut as their Opening Day right fielder in 1978 and went 1 for 3 with an RBI. Three days later Henderson went 2 for 3 with a home run and 3 RBIs in the Mets 6-0 victory over the Cubs. But than his season came to a sudden halt, on April 12 Henderson injured his foot when he ran into the wall chasing a fly ball. The injury landed him on the disabled list. When he came off the DL on May 19, the Mets traded him to the Cincinnati Reds in exchange for relief pitcher Dale Murray.
In seven games for the Mets Ken Henderson batted .227 (5-22) with a home run and 4 RBIs.
While with the Mets Henderson wore number 20.
Ken Henderson also played for the following teams:
San Francisco Giants – 1965-1972
Chicago White Sox – 1973-1975
Atlanta Braves – 1976
Texas Rangers – 1977
Cincinnati Reds – 1978,1979
Chicago Cubs – 1979,1980