how is this a home run

https://365.strat-o-matic.com/game/playbyplay/456705/44
review this closely ...how is this a home run...marichal in the game F9 bottom of ninth...4-6 is rolled...how is this a home run ?
Please explain this to me...1969 season...Freddie Patek PH....
review this closely ...how is this a home run...marichal in the game F9 bottom of ninth...4-6 is rolled...how is this a home run ?
Please explain this to me...1969 season...Freddie Patek PH....