Rickey Henderson breaks the single-season stolen base record.
Rickey Henderson: When the stolen base king was a Made Guy - Sports Illustrated
August 27 Rickey Henderson breaks Lou Brock's single-season stolen base record
1991 Rickey Henderson Record Breaking Stolen Base Ticket Stub, PSA, Lot #41173
Sorry you had to see that' -- How baserunning has become an embarrassing problem in Major League Baseball - ESPN
Rickey Henderson sets all time stolen base record 1991
New York Yankees - Wikipedia
1991: Rickey Henderson breaks MLB steals record
Rickey Henderson sets all-time stolen base record
HENDERSON TIES RECORD FOR STAKES - The New York Times
Which of baseball's most unbreakable records might actually get broken in 2019? - ESPN