Fernando Tatis Jr. homers twice on dad's grand slam anniversary - Sports Illustrated
This Day in History: Fernando Tatis Sr. Hits Two Grand Slams in Same Inning! - Fastball
Fernando Tatis hit 2 grand slams in 1 inning
On This Day, 4/23/1999, Fernando Tatis made history by hitting 2 Grand Slams in the same inning vs the Los Angeles Dodgers (both coming off of Chan Ho, By Cardinals Nation 24/7
It's been nearly two decades since Fernando Tatis hit two grand slams in one inning
It's been nearly two decades since Fernando Tatis hit two grand slams in one inning
Cardinals @ Dodgers 4/23/99 (Fernando Tatis Two Grand Slams in One Inning)
Fernando Tatis Jr. suspended 80 games for violating MLB's PED policy - The Washington Post
Tatis' two slams in one inning, 04/23/1999