In Major League Baseball (MLB) which of these players has hit 2 grand slams in one inning?
Correct answer: Fernando Tatis, Jr.

simpsons47
The correct answer is Tatis Sr. His son, Fernando Tatis Jr., is also a pro player, but debuted as a rookie for the San Diego Padres in 2019.

ParanoidEsteem3
never heard of the man. But a great athletic feat!