MLB Stories - Rickey Henderson career timeline
Acuña hits grand slam to become first player with 30 home runs and
Rickey Henderson Baseball Stats by Baseball Almanac
ESPN - On this date in 1991, Rickey Henderson broke the all-time
This Date in Baseball: May 1
10 incredible Rickey Henderson stats
On this date, 1991: Rickey dives headfirst into baseball history
Rickey Henderson MLB Career and Early Life
Rickey Henderson – Society for American Baseball Research