Columbus Blue Jackets and Chicago Blackhawks fans sing happy birthday to Johnny Gaudreau's son, creating a touching memory.

Fans of the Blue Jackets and Chicago Blackhawks got a touching surprise ... fans were told about Johnny Gaudreau's son celebrating his first birthday as the arena's video board cut to a shot ...

Columbus Blue Jackets and Chicago Blackhawks fans joined together to sing happy birthday to Johnny Gaudreau Jr. in a heartwarming moment.

Fans of the Columbus Blue Jackets and Chicago Blackhawks got a touching surprise ... told about Johnny Gaudreau Jr. celebrating his first birthday. The arena's video board then cut to a shot ...