It was the news that fans have been dreading for almost two years now, but the in-ring career of Daniel Bryan is officially over. The man who stole the hearts of the WWE Universe in a way that no other had in recent memory is done, the news conveyed by the man himself in the most heartfelt of ways live on RAW. He spoke of gratitude, he spoke of loving the business and his sadness at having to leave it behind. It was emotional, for performer and audience alike. Daniel Bryan was unlike any performer of this or any other generation. Ever since the success of the Attitude Era, World Wrestling Entertainment has almost obsessively been trying to create stars who could reach the popularity of wrestlers such as 'StoneCold' Steve Austin, The Rock, Mick Foley and The Undertaker. They achieved this with Daniel Bryan, albeit seemingly against their own desires. There may never be another Bryan Danielson, as I suspect he's a one-in-a-million performer. There is an overarching sense that yes, Bryan was important, not just in a popularity sense but in a generational one too, in that he was more ours than theirs. Here are seven reasons why Daniel Bryan is the most important professional wrestler of a generation.