On May 21, 2000, a major league record six grand slams are hit on the same day. Anaheim Angels outfielder Garret Anderson hits the record-breaker, connecting in the Angels’ 10-6 loss to the Kansas City Royals vs Chris Fussell. The previous record of five grand slams had been set just one year earlier. The four-hit in the National League also sets a record for the NL.

The players –
Garret Anderson (Angels), J.T. Snow (Giants), Brian Hunter (Phillies), Jason Giambi (A’s) and Adrian Beltre and Shawn Green (Dodgers) all contribute to the record. The National League also sets a record with four of the six bases-loaded homers.