In 1993,
St. Louis Cardinals outfielder Mark Whiten hit four home runs and drove in 12
runs in a game against the Cincinnati Reds. (Whiten hit 25 home runs in 152
games that season.) With that, he tied the single-game records in
both home runs and runs batted in.
Only 18 players in Major League Baseball history have hit four homers in one game.
The schedule for a team in the MLB can look like this:
(Monday - Sunday, two weeks.)
vs Oakland Athletics
vs Oakland
Off day
at Kansas City Royals
at Kansas
at Kansas
at Minnesota Twins
at Minnesota
at Minnesota
at Minnesota
Off Day
vs Houston Astros
vs Houston, two games (a doubleheader)
vs Houston
The "Mark Whiten game" was the second game of a doubleheader.