Grab a tissue ... you're gonna need it!
A Navy veteran -- who was shot in the head while serving -- had the most heartwarming reaction when he was gifted tickets to Super Bowl LVII ... and Patrick Mahomes loved it!
In the video, you can see social media star Zach Dereniowski approach the 62-year-old vet, who goes by the name Warren, on Saturday to discuss the big game.
Zach wanted to thank Warren for his 21 years of service by surprising him with free tickets to the Chiefs-Eagles matchup ... and, his reaction was PRICELESS!