Steven Matz's grandfather is the greatest Mets fan ever

In his first big league at-bat, Steven Matz drove in two runs with a double. In his second at-bat he hit a single. In his third at-bat, he knocked in another two runs with a single, after which the SNY broadcast cut to Matz's grandfather, who reacted like this:

Which is roughly how I reacted as well.

Here's a bonus video of Matz's two-run double.