Henderson was born in Carroll, Iowa and attended Clairemont High School in San Diego, California.

[1] Henderson finished 19th in voting for the 1974 American League MVP for playing in all 162 Games and having 602 At Bats, 76 Runs, 176 Hits, 35 Doubles, 5 Triples, 20 Home Runs, 95 RBI, 12 Stolen Bases, 66 Walks, .292 Batting Average, .360 On-base percentage, .467 Slugging Percentage, 281 Total Bases, 2 Sacrifice Hits, 8 Sacrifice Flies and 9 Intentional Walks.

First from the White Sox to the Braves with Dick Ruthven and Dan Osborn for Ralph Garr and Larvell Blanks on December 12, 1975.

[2] Then to the Rangers in a five-for-one trade with Dave May, Roger Moret, Adrian Devine, Carl Morton and $200,000 for Jeff Burroughs on December 9, 1976.

[3] Finally to the Mets on March 15, 1978 to complete the first four-team blockbuster deal in Major League Baseball history from three months prior on December 8, 1977 that also involved the Braves, Pittsburgh Pirates and a total of eleven players changing teams.