The group was extra excited about their hero signing in Calgary, since that is where they are based.
"That's why I signed!" Jagr said.
Before the future Hall of Famer crashed the party with a brand new autographed jersey for the group, there were a couple of members in Flames practice jerseys.
Jagr, who is seemingly always in good humor, had a suggestion for the group's organizer and Dallas Jagr, Trevor Freeman.
"Well we needed one more guy. I'm from Calgary, so," as the group went wild. "You know what? I'm going to try to play and if I'm not good, I'm just gonna stay here all year and we're just gonna party."