His rookie season with the Boston Bruins was 2003 - 04 .
The landscape has changed drastically since Bergeron , 31 , made his rookie debut as an 18 - year - old .
Bergeron 's rookie season with the Boston Bruins was 2003 - 04 .
The landscape has changed drastically since Bergeron , 31 , made his rookie debut as an 18 - year - old .