It looks like Baseball Almanac have already updated their list of players who have hit four home runs in one game. That was fast.
Baseball Almanac is a great site by the way, lots of fun just to browse. Some sample fun pages...
Stealing Home (look at the list and check out what player stole home plate 10 times in his career... and think about Ty Cobb's incredible 54 steals of home too).
36 Triples by Owen Wilson
The Baseball Family Tree
Baseball and Football, by George Carlin
Sporting News 25 Greatest Moments
Baseball Records
Baseball Poetry and Songs
https://www.battersbox.ca/article.php?story=20030926105314999