LOS ANGELES (CBSLA.com) —  The party in Super Bowl city seems unstoppable, with all sorts of great energy in advance of Sunday’s showdown.

The game holds a very special meaning for some — like Eric Sullivan, who was supposed to be at this game with his best friend.

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“We always promised each other if the Panthers and Broncos made it to the Super Bowl, we would go together,” Sullivan told CBS2’s Tom Wait.

It’s a story that is Only On 2.

Alex Stuber, Sullivan’s best friend, was killed in a car accident in Palmdale two years ago. He was 25 years old and was devoted to the Broncos.

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Eric, a life-long Panthers fan, asked Alex’s parents if he could bring some of Alex’s ashes to the game, so the two could live up to their promise.

“I’m here fulfilling my end of the promise. I brought a little piece of him with me. And I’m just making sure I’m keeping my promise. IAnd he;s here with me. ‘m going to the Super Bowl tomorrow,” Sullivan added.

Stuber’s family described Stuber as a phenomenal young man full of life and adventure. And love for his team. “This would have been an absolute monumental event for him to see the Broncos in the Super Bowl,” said a Stuber family member.

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“I know he’s standing here right with me. I can’t believe this is happening,” Sullivan said.