"LET'S GOOOOOOOOO!!!"
New England Patriots tight end Hunter Henry was FIRED UP when he found out he and his wife were having a baby boy ... and the video of it all is AWESOME!!
The couple posted the amazing gender reveal footage on Instagram on Tuesday ... showing how they walked into Gillette Stadium hand-in-hand while staring at a jumbotron that read, "He or She?"
Before it was revealed, the 26-year-old Pats star said he thought it was going to be a girl .