Philadelphia Phillies played Toronto Blue Jays but it was the action in the stands that was the talking point.
The video has racked up over 1.3 Million views at the time of writing.
You can watch the footage below:
Twitter users responded to clip:
One said, ‘I didn’t know I was a Phillies fan until today.. amazing.’
A second added, ‘Went to 43 games one year never seen this!’
A third commented, ‘Need to get to more phillies games.’