Hendrickson is one of 13 athletes that played in both the National Basketball Association and Major League Baseball. The 13 are: Danny Ainge, Frank Baumholtz, Hank Biasatti, Gene Conley, Chuck Connors, Dave DeBusschere, Dick Groat, Steve Hamilton, Hendrickson, Cotton Nash, Ron Reed, Dick Ricketts and Howie Schultz.
