Gotta be an error, no way the word April should be in there. And they only have it in the 2nd part of wager so clear sign its typed up wrong. That's like a 4 % implied probability of it happening in the month of April, for something that has only happened 15 times in the last 125ish years.
includes extra innings Thu 4/30 25513 A batter 4+ home runs in a game +1250 1:00PM 25514 No batter 4+ home runs in April game -2750